CVE catalog

CVE-2025-6927

mediawiki affected and fixed versions

[CVE catalog]

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php. This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.

Severity
Medium · CVSS 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Published
Source
[NVD] · [CVE record]
EPSS
0.52% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "mediawiki",
      "status": "fixed",
      "release": "sid",
      "version": "1:1.43.11+dfsg-3"
    },
    {
      "name": "mediawiki",
      "status": "fixed",
      "release": "forky",
      "version": "1:1.43.11+dfsg-1"
    },
    {
      "name": "mediawiki",
      "status": "fixed",
      "release": "trixie",
      "version": "1:1.43.9+dfsg-1~deb13u1"
    },
    {
      "name": "mediawiki",
      "status": "fixed",
      "release": "trixie-security",
      "version": "1:1.43.9+dfsg-1~deb13u1"
    },
    {
      "name": "mediawiki",
      "status": "not affected",
      "release": "bookworm",
      "version": "1:1.39.17-1+deb12u2"
    },
    {
      "name": "mediawiki",
      "status": "not affected",
      "release": "bookworm-security",
      "version": "1:1.39.17-1+deb12u2"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "mediawiki",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1:1.43.3+dfsg-1"
    },
    {
      "bug": null,
      "name": "mediawiki",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1:1.43.3+dfsg-1"
    },
    {
      "bug": null,
      "name": "mediawiki",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1:1.43.3+dfsg-1"
    },
    {
      "bug": null,
      "name": "mediawiki",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": "0"
    }
  ],
  "distribution_packages": []
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [mediawiki]Unknown
    Details (4)

    • 1:1.39.17-1+deb12u2 · all · bookworm

      Not affected

      dsa · mediawiki · debian · bookworm

    • 1:1.39.17-1+deb12u2 · all · bookworm

      Not affected

      dsa · mediawiki · debian · bookworm

    • 1:1.39.17-1+deb12u2 · all · bookworm-security

      Not affected

      dsa · mediawiki · debian · bookworm

    • 1:1.39.17-1+deb12u2 · all · bookworm-security

      Not affected

      dsa · mediawiki · debian · bookworm

  • [mediawiki-classes]Unknown

    Source package: [mediawiki]

    Details (4)

    • 1:1.39.17-1+deb12u2 · all · bookworm

      Not affected

      dsa · mediawiki · debian · bookworm

    • 1:1.39.17-1+deb12u2 · all · bookworm

      Not affected

      dsa · mediawiki · debian · bookworm

    • 1:1.39.17-1+deb12u2 · all · bookworm-security

      Not affected

      dsa · mediawiki · debian · bookworm

    • 1:1.39.17-1+deb12u2 · all · bookworm-security

      Not affected

      dsa · mediawiki · debian · bookworm

[Debian 13 (Trixie)]

  • [mediawiki]Unknown
    Details (4)

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

  • [mediawiki-classes]Unknown

    Source package: [mediawiki]

    Details (4)

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

    • 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security

      Fixed · Fixed: 1:1.43.3+dfsg-1

      dsa · mediawiki · debian · 13

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]