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 10 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
343new WordPress flaws this week
390,080entries in the database

3 results

  • Apr 7, 2026Dual DHCP DNS Server 8.01 improperly accepts and caches UDP DNS responses without validating that the response originates from a legitimate configured upstream CVE-2025-71058 · Other software · reported by MITRECritical 9.1

    Dual DHCP DNS Server 8.01 improperly accepts and caches UDP DNS responses without validating that the response originates from a legitimate configured upstream DNS server. The implementation matches responses primarily by TXID and inserts results into the cache, enabling a remote attacker to inject forged responses and poison the DNS cache, potentially redirecting victims to attacker-controlled destinations.

    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Oct 28, 2020An issue was discovered in Dual DHCP DNS Server 7.40.CVE-2020-26133 · Other software · Dual Dhcp DNS Server Project · reported by MITREHigh 7.8

    An issue was discovered in Dual DHCP DNS Server 7.40. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the DualServer.exe binary.

    Product
    Dual Dhcp DNS Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 18, 2006Buffer overflow in Dual DHCP DNS Server 1.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via theCVE-2006-0304 · Other software · Achal Dhir · reported by MITREHigh 7.5

    Buffer overflow in Dual DHCP DNS Server 1.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via the DHCP options field.

    Product
    Dual Dhcp DNS 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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