CVE catalog

CVE-2023-45359

mediawiki: CVE-2023-45359

Severity: Medium · CVSS 4.2CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Published: Jan 1, 2023, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.36% · Oct 27, 2026

An issue was discovered in the Vector Skin component for MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-toc-toggle-button-label is not escaped, but should be, because the line param can have markup.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mediawiki	sid	`1:1.43.11+dfsg-3`	fixed
Debian	mediawiki	forky	`1:1.43.11+dfsg-1`	fixed
Debian	mediawiki	trixie	`1:1.43.9+dfsg-1~deb13u1`	fixed
Debian	mediawiki	trixie-security	`1:1.43.9+dfsg-1~deb13u1`	fixed
Debian	mediawiki	bookworm	`1:1.39.17-1+deb12u2`	fixed
Debian	mediawiki	bookworm-security	`1:1.39.17-1+deb12u2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mediawiki	source	sid	`1:1.39.5-1`	not yet assigned	Not reported	Not reported
Debian	mediawiki	source	forky	`1:1.39.5-1`	not yet assigned	Not reported	Not reported
Debian	mediawiki	source	trixie	`1:1.39.5-1`	not yet assigned	Not reported	Not reported
Debian	mediawiki	source	bookworm	`1:1.39.5-1~deb12u1`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[mediawiki]Fixed
Details (4)
- 1:1.39.17-1+deb12u2 · all · bookworm
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
[mediawiki-classes]Fixed
Source package: [mediawiki]
Details (4)
- 1:1.39.17-1+deb12u2 · all · bookworm
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Fixed · Fixed: 1:1.39.5-1~deb12u1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12

[Debian 13 (Trixie)]

[mediawiki]Fixed
Details (4)
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13
[mediawiki-classes]Fixed
Source package: [mediawiki]
Details (4)
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Fixed · Fixed: 1:1.39.5-1
  dsa · mediawiki · debian · 13

Observed: Oct 27, 2026, 6:58:44 PM UTC

References

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