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 5 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.

1,764exploited flaws on CISA’s list
35added in the last 30 days
456new WordPress flaws this week
390,714entries in the database

7 results

  • Apr 21, 2026OwnTone Server versions 28.4 through 29.0 contain a race condition vulnerability in the DAAP login handler that allows unauthenticated attackers to crash the seCVE-2026-41458 · Other software · owntone · reported by VulnCheckHigh 8.2

    OwnTone Server versions 28.4 through 29.0 contain a race condition vulnerability in the DAAP login handler that allows unauthenticated attackers to crash the server by exploiting unsynchronized access to the global DAAP session list. Attackers can flood the DAAP /login endpoint with concurrent requests to trigger a remote denial of service condition without requiring authentication.

    Product
    owntone-server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Apr 21, 2026OwnTone Server versions 28.4 through 29.0 contain a SQL injection vulnerability in DAAP query and filter handling that allows attackers to inject arbitrary SQL CVE-2026-41457 · Other software · owntone · reported by VulnCheckMedium 6.9

    OwnTone Server versions 28.4 through 29.0 contain a SQL injection vulnerability in DAAP query and filter handling that allows attackers to inject arbitrary SQL expressions by supplying malicious values through the query= and filter= parameters for integer-mapped DAAP fields. Attackers can exploit insufficient sanitization of these parameters to bypass filters and gain unauthorized access to media library data.

    Product
    owntone-server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 20, 2026A NULL pointer dereference in the dacp_reply_playqueueedit_move function (src/httpd_dacp.c) of owntone-server commit b7e385f allows attackers to cause a Denial CVE-2025-63648 · Other software · Owntone · reported by MITREHigh 7.5

    A NULL pointer dereference in the dacp_reply_playqueueedit_move function (src/httpd_dacp.c) of owntone-server commit b7e385f allows attackers to cause a Denial of Service (DoS) via sending a crafted DACP request to the server.

    Product
    Owntone Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 20, 2026A NULL pointer dereference in the parse_meta function (src/httpd_daap.c) of owntone-server commit 334beb allows attackers to cause a Denial of Service (DoS) viaCVE-2025-63647 · Other software · Owntone · reported by MITREHigh 7.5

    A NULL pointer dereference in the parse_meta function (src/httpd_daap.c) of owntone-server commit 334beb allows attackers to cause a Denial of Service (DoS) via sending a crafted DAAP request to the server.

    Product
    Owntone Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 20, 2026NULL pointer dereference in the dacp_reply_playqueueedit_clear function in src/httpd_dacp.c in owntone-server through commit 6d604a1 (newer commit after versionCVE-2025-57156 · Other software · Owntone · reported by MITREHigh 7.5

    NULL pointer dereference in the dacp_reply_playqueueedit_clear function in src/httpd_dacp.c in owntone-server through commit 6d604a1 (newer commit after version 28.12) allows remote attackers to cause a Denial of Service (crash).

    Product
    Owntone Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 20, 2026NULL pointer dereference in the daap_reply_groups function in src/httpd_daap.c in owntone-server through commit 5e6f19a (newer commit after version 28.2) allowsCVE-2025-57155 · Other software · Owntone · reported by MITREHigh 7.5

    NULL pointer dereference in the daap_reply_groups function in src/httpd_daap.c in owntone-server through commit 5e6f19a (newer commit after version 28.2) allows remote attackers to cause a Denial of Service.

    Product
    Owntone Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Aug 10, 2021OwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c.CVE-2021-38383 · Other software · Owntone · reported by MITRECritical 9.8

    OwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c.

    Product
    Owntone Server
    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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