Threat landscape
critical exploited

WordPress: Schwachstelle ermöglicht Codeausführung

WID-SEC-2026-3539 · first 24.09.2026 · updated 29.09.2026 · CVSS 9,8

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What it is about

WordPress ist ein PHP basiertes Open Source Blog-System. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in WordPress ausnutzen, um beliebigen Programmcode auszuführen.

Under what conditions?

Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.

What can happen in the worst case

An attacker could use the vulnerability to

  • beliebigen Programmcode auszuführen

Am I affected?

Affected according to the BSI:

  • Debian Linux
  • Fedora Linux
  • Open Source WordPress <7.1.2
  • Open Source WordPress <7.0.6
  • Open Source WordPress <6.9.9
  • Open Source WordPress <6.8.10
  • Open Source WordPress <6.7.9
  • Open Source WordPress <6.6.9
  • Open Source WordPress <6.5.12
  • Open Source WordPress <6.4.12
  • Open Source WordPress <6.3.12
  • Open Source WordPress <6.2.13

and 15 more

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Open Source WordPress 7.1.2
  • Open Source WordPress 7.0.6
  • Open Source WordPress 6.9.9
  • Open Source WordPress 6.8.10
  • Open Source WordPress 6.7.9
  • Open Source WordPress 6.6.9
  • Open Source WordPress 6.5.12
  • Open Source WordPress 6.4.12
  • Open Source WordPress 6.3.12
  • Open Source WordPress 6.2.13
  • Open Source WordPress 6.1.14
  • Open Source WordPress 6.0.16

Is the vulnerability already being exploited?

  • CVE-2026-87902: exploited in the wild according to CISA, in the catalogue since 25.09.2026.

Information and sources

CVE: CVE-2026-87902

Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.

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