Critical security advisoryCriticalFlagged by our vulnerability database: PHP2Shell is on CISA’s exploited list. Most WordPress hosting runs PHP. See if your site is affectedFlagged by our vulnerability database: PHP2Shell is being exploited. DetailsExploited: PHP2Shell. Check your site
HuttenlocherTechnologies
Updated 2 h ago

Vulnerability database

Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.

1,762exploited flaws on CISA’s list
34added in the last 30 days
344new WordPress flaws this week
390,080entries in the database

28 results

  • Sep 2, 2026A flaw has been found in sigoden aichat up to 0.30.4.CVE-2026-84857 · Other software · sigoden · reported by VulDBMedium 5.5

    A flaw has been found in sigoden aichat up to 0.30.4. This affects an unknown function of the file src/serve.rs of the component API Endpoint. This manipulation causes uncontrolled memory allocation. The attack can be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

    Product
    aichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • May 1, 2025KiwiChat NextClient: Stored Cross-Site ScriptingCVE-2025-3670 · WordPress plugins & themes · reported by WordfenceMedium 6.4

    The KiwiChat NextClient plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘url’ parameter in all versions up to, and including, 6.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

    Product
    KiwiChat NextClient
    Affected
    up to 6.2
    What to do
    Affects up to 6.2. Update KiwiChat NextClient to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
  • Jul 6, 2024An issue was discovered in the MediaWikiChat extension for MediaWiki through 1.42.1.CVE-2024-40601 · Other software · Mediawiki · reported by MITREMedium 6.5

    An issue was discovered in the MediaWikiChat extension for MediaWiki through 1.42.1. CSRF can occur in API modules.

    Product
    Mediawiki
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Aug 27, 2020Michael-design iChat Realtime PHP Live Support System 1.6 has persistent Cross-site Scripting via chat,text-filed tags.CVE-2020-23983 · Other software · Ichat Project · reported by MITREMedium 5.4

    Michael-design iChat Realtime PHP Live Support System 1.6 has persistent Cross-site Scripting via chat,text-filed tags.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Aug 18, 2015SQL injection vulnerability in the get_messages function in server/plugins/chatroom/chatroom.php in FreiChat 9.6 allows remote attackers to execute arbitrary SQCVE-2015-6512 · Other software · Codelogic · reported by MITREMedium 5

    SQL injection vulnerability in the get_messages function in server/plugins/chatroom/chatroom.php in FreiChat 9.6 allows remote attackers to execute arbitrary SQL commands via the time parameter to server/freichat.php.

    Product
    Freichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Mar 19, 2014Multiple cross-site scripting (XSS) vulnerabilities in the Freichat (com_freichat) component, possibly 9.4 and earlier, for Joomla! allow remote attackers to inCVE-2013-5952 · Other software · Codologic · reported by MITREMedium 4.3

    Multiple cross-site scripting (XSS) vulnerabilities in the Freichat (com_freichat) component, possibly 9.4 and earlier, for Joomla! allow remote attackers to inject arbitrary web script or HTML via the (1) id or (2) xhash parameter to client/chat.php or (3) toname parameter to client/plugins/upload/upload.php.

    Product
    COM Freichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Aug 25, 2012Apple iChat Server does not verify that a request was made for an XMPP Server Dialback response, which allows remote XMPP servers to spoof domains via responsesCVE-2012-4672 · Computers, phones & browsers · Apple · reported by MITREMedium 5.8

    Apple iChat Server does not verify that a request was made for an XMPP Server Dialback response, which allows remote XMPP servers to spoof domains via responses for domains that were not asserted.

    Product
    Ichat Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Oct 9, 2011Cross-site scripting (XSS) vulnerability in the (1) FreiChat component before 2.1.2 for Joomla! and the (2) FreiChatPure component before 1.2.2 for Joomla! alloCVE-2010-4949 · Other software · Evnix · reported by MITREMedium 4.3

    Cross-site scripting (XSS) vulnerability in the (1) FreiChat component before 2.1.2 for Joomla! and the (2) FreiChatPure component before 1.2.2 for Joomla! allows remote attackers to inject arbitrary web script or HTML by entering it in an unspecified window.

    Product
    Freichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 17, 2010Directory traversal vulnerability in iChat in Apple Mac OS X 10.5.8, and 10.6 before 10.6.4, when AIM is used, allows remote attackers to create arbitrary filesCVE-2010-1374 · Computers, phones & browsers · Apple · reported by product-security@apple.comMedium 4.3

    Directory traversal vulnerability in iChat in Apple Mac OS X 10.5.8, and 10.6 before 10.6.4, when AIM is used, allows remote attackers to create arbitrary files via directory traversal sequences in an inline image-transfer operation.

    Product
    MAC OS X
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Mar 30, 2010Multiple stack-based buffer overflows in iChat Server in Apple Mac OS X Server before 10.6.3 allow remote attackers to execute arbitrary code or cause a denial CVE-2010-0504 · Computers, phones & browsers · Apple · reported by product-security@apple.comHigh 7.5

    Multiple stack-based buffer overflows in iChat Server in Apple Mac OS X Server before 10.6.3 allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.

    Product
    MAC OS X Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Mar 30, 2010Use-after-free vulnerability in iChat Server in Apple Mac OS X Server 10.5.8 allows remote authenticated users to execute arbitrary code or cause a denial of seCVE-2010-0503 · Computers, phones & browsers · Apple · reported by product-security@apple.comMedium 6.5

    Use-after-free vulnerability in iChat Server in Apple Mac OS X Server 10.5.8 allows remote authenticated users to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.

    Product
    MAC OS X Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Mar 30, 2010iChat Server in Apple Mac OS X Server before 10.6.3, when group chat is used, does not perform logging for all types of messages, which might allow remote attacCVE-2010-0502 · Computers, phones & browsers · Apple · reported by product-security@apple.comMedium 4.3

    iChat Server in Apple Mac OS X Server before 10.6.3, when group chat is used, does not perform logging for all types of messages, which might allow remote attackers to avoid message auditing via an unspecified selection of message type.

    Product
    MAC OS X Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • May 13, 2009iChat in Apple Mac OS X 10.5 before 10.5.7 disables SSL for AOL Instant Messenger (AIM) communication in certain circumstances that are inconsistent with the ReCVE-2009-0152 · Computers, phones & browsers · Apple · reported by MITREHigh 7.5

    iChat in Apple Mac OS X 10.5 before 10.5.7 disables SSL for AOL Instant Messenger (AIM) communication in certain circumstances that are inconsistent with the Require SSL setting, which allows remote attackers to obtain sensitive information by sniffing the network.

    Product
    MAC OS X
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • May 14, 2008Static code injection vulnerability in box/minichat/boxpop.php in IT!CMS (aka itcms) 1.9 allows remote attackers to inject arbitrary PHP code into box/MiniChat/CVE-2008-2192 · Other software · Itcms · reported by MITREHigh 10

    Static code injection vulnerability in box/minichat/boxpop.php in IT!CMS (aka itcms) 1.9 allows remote attackers to inject arbitrary PHP code into box/MiniChat/data/shouts.php via the shout parameter.

    Product
    Itcms
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Dec 19, 2007iChat in Apple Mac OS X 10.4.11 allows network-adjacent remote attackers to automatically initiate a video connection to another user via unknown vectors.CVE-2007-5851 · Computers, phones & browsers · Apple · reported by MITRELow 3.6

    iChat in Apple Mac OS X 10.4.11 allows network-adjacent remote attackers to automatically initiate a video connection to another user via unknown vectors.

    Product
    MAC OS X
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Aug 3, 2007The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not restrict object instantiation and manipulation to valid heap addresses, which alloCVE-2007-3747 · Computers, phones & browsers · Apple · reported by MITREMedium 6.8

    The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not restrict object instantiation and manipulation to valid heap addresses, which allows remote attackers to execute arbitrary code via a crafted applet.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Aug 3, 2007Buffer overflow in the UPnP IGD (Internet Gateway Device Standardized Device Control Protocol) implementation in iChat on Apple Mac OS X 10.3.9 and 10.4.10 alloCVE-2007-3748 · Computers, phones & browsers · Apple · reported by MITREMedium 5.4

    Buffer overflow in the UPnP IGD (Internet Gateway Device Standardized Device Control Protocol) implementation in iChat on Apple Mac OS X 10.3.9 and 10.4.10 allows network-adjacent remote attackers to execute arbitrary code via a crafted packet.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Aug 3, 2007The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not properly check the bounds of heap read and write operations, which allows remote aCVE-2007-3746 · Computers, phones & browsers · Apple · reported by MITREMedium 6.8

    The Java interface to CoreAudio on Apple Mac OS X 10.3.9 and 10.4.10 does not properly check the bounds of heap read and write operations, which allows remote attackers to execute arbitrary code via a crafted applet.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • May 24, 2007Buffer overflow in iChat in Apple Mac OS X 10.3.9 and 10.4.9 allows remote attackers to cause a denial of service (application termination) and possibly executeCVE-2007-2390 · Computers, phones & browsers · Apple · reported by MITREHigh 10

    Buffer overflow in iChat in Apple Mac OS X 10.3.9 and 10.4.9 allows remote attackers to cause a denial of service (application termination) and possibly execute arbitrary code via a crafted UPnP Internet Gateway Device (IGD) packet.

    Product
    MAC OS X
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Feb 16, 2007The Bonjour functionality in iChat in Apple Mac OS X 10.3.9 allows remote attackers to cause a denial of service (persistent application crash) via unspecified CVE-2007-0710 · Computers, phones & browsers · Apple · reported by MITRELow 2.1

    The Bonjour functionality in iChat in Apple Mac OS X 10.3.9 allows remote attackers to cause a denial of service (persistent application crash) via unspecified vectors, possibly related to CVE-2007-0614.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 31, 2007The Bonjour functionality in mDNSResponder, iChat 3.1.6, and InstantMessage framework 428 in Apple Mac OS X 10.4.8 does not check for duplicate entries when addCVE-2007-0613 · Computers, phones & browsers · Apple · reported by MITREMedium 5

    The Bonjour functionality in mDNSResponder, iChat 3.1.6, and InstantMessage framework 428 in Apple Mac OS X 10.4.8 does not check for duplicate entries when adding newly discovered available contacts, which allows remote attackers to cause a denial of service (disrupted communication) via a flood of duplicate _presence._tcp mDNS queries.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 31, 2007The Bonjour functionality in mDNSResponder, iChat 3.1.6, and InstantMessage framework 428 in Apple Mac OS X 10.4.8 allows remote attackers to cause a denial of CVE-2007-0614 · Computers, phones & browsers · Apple · reported by MITREHigh 7.8

    The Bonjour functionality in mDNSResponder, iChat 3.1.6, and InstantMessage framework 428 in Apple Mac OS X 10.4.8 allows remote attackers to cause a denial of service (persistent application crash) via a crafted phsh hash attribute in a TXT key.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 22, 2007Format string vulnerability in Apple iChat 3.1.6 allows remote attackers to cause a denial of service (null pointer dereference and application crash) and possiCVE-2007-0021 · Computers, phones & browsers · Apple · reported by MITREHigh 7.5

    Format string vulnerability in Apple iChat 3.1.6 allows remote attackers to cause a denial of service (null pointer dereference and application crash) and possibly execute arbitrary code via format string specifiers in an aim:// URI.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Oct 13, 2006PHP remote file inclusion vulnerability in ftag.php in Minichat 6.0 allows remote attackers to execute arbitrary PHP code via a URL in the mostrar parameter.CVE-2006-5283 · Other software · Minichat · reported by MITREHigh 7.5

    PHP remote file inclusion vulnerability in ftag.php in Minichat 6.0 allows remote attackers to execute arbitrary PHP code via a URL in the mostrar parameter.

    Product
    Minichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Sep 6, 2006PDAapps Verichat for Pocket PC 1.30bh stores usernames and passwords in plaintext in the Windows Mobile registry, which allows local users to obtain sensitive iCVE-2006-4614 · Other software · Pocket PC · reported by MITREMedium 4.9

    PDAapps Verichat for Pocket PC 1.30bh stores usernames and passwords in plaintext in the Windows Mobile registry, which allows local users to obtain sensitive information via keys under \HKEY_CURRENT_USER\Software\PDAapps\VeriChat.

    Product
    Pocket PC
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Dec 23, 2004Apple iChat AV 2.1, AV 2.0, and 1.0.1 allows remote attackers to execute arbitrary programs via a "link" that references the program.CVE-2004-0873 · Computers, phones & browsers · Apple · reported by MITREHigh 7.5

    Apple iChat AV 2.1, AV 2.0, and 1.0.1 allows remote attackers to execute arbitrary programs via a "link" that references the program.

    Product
    Ichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Nov 2, 2003Unichat allows remote attackers to cause a denial of service (crash) by adding extra chat characters (avatars) and logging in to a chat room, as demonstrated usCVE-2003-1188 · Other software · Unichat · reported by MITREMedium 5

    Unichat allows remote attackers to cause a denial of service (crash) by adding extra chat characters (avatars) and logging in to a chat room, as demonstrated using duplicate ACTOR entries in u2res000.rit.

    Product
    Unichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Dec 31, 2002Digi-Net Technologies DigiChat 3.5 allows chat users to obtain the IP addresses of other chat users via a "Showip" parameter in the chat applet.CVE-2002-2184 · Other software · Digi-net Technologies · reported by MITREMedium 5

    Digi-Net Technologies DigiChat 3.5 allows chat users to obtain the IP addresses of other chat users via a "Showip" parameter in the chat applet.

    Product
    Digichat
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.

Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.

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