Catalogue CVE

CVE-2021-30157

mediawiki affected and fixed versions

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On ChangesList special pages such as Special:RecentChanges and Special:Watchlist, some of the rcfilters-filter-* label messages are output in HTML unescaped, leading to XSS.

Gravité: Medium · CVSS 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published: Mar 22, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.41% · Oct 27, 2026

Projects and upstream resources

[mediawiki][Source-reported homepage]

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.

Distribution / release	Package	Version	Status	Source
Debiantrixie-security	mediawiki	`1:1.43.9+dfsg-1~deb13u1`	Fixed	[CVE-2021-30157]
Debiantrixie	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debiantrixie	mediawiki	`1:1.43.9+dfsg-1~deb13u1`	Fixed	[CVE-2021-30157]
Debiansid	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debiansid	mediawiki	`1:1.43.11+dfsg-3`	Fixed	[CVE-2021-30157]
Debianforky	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debianforky	mediawiki	`1:1.43.11+dfsg-1`	Fixed	[CVE-2021-30157]
Debianbookworm-security	mediawiki	`1:1.39.17-1+deb12u2`	Fixed	[CVE-2021-30157]
Debianbookworm	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debianbookworm	mediawiki	`1:1.39.17-1+deb12u2`	Fixed	[CVE-2021-30157]

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Debianbookworm	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debianbookworm	mediawiki	`1:1.39.17-1+deb12u2`	Fixed	[CVE-2021-30157]
Debianbookworm-security	mediawiki	`1:1.39.17-1+deb12u2`	Fixed	[CVE-2021-30157]
Debianforky	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debianforky	mediawiki	`1:1.43.11+dfsg-1`	Fixed	[CVE-2021-30157]
Debiansid	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debiansid	mediawiki	`1:1.43.11+dfsg-3`	Fixed	[CVE-2021-30157]
Debiantrixie	mediawiki	`1:1.35.2-1`	FixedDistribution-reported fixed boundary	[CVE-2021-30157]
Debiantrixie	mediawiki	`1:1.43.9+dfsg-1~deb13u1`	Fixed	[CVE-2021-30157]
Debiantrixie-security	mediawiki	`1:1.43.9+dfsg-1~deb13u1`	Fixed	[CVE-2021-30157]

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": "fixed",
      "release": "bookworm",
      "version": "1:1.39.17-1+deb12u2"
    },
    {
      "name": "mediawiki",
      "status": "fixed",
      "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": "1:1.35.2-1"
    },
    {
      "bug": null,
      "name": "mediawiki",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1:1.35.2-1"
    },
    {
      "bug": null,
      "name": "mediawiki",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1:1.35.2-1"
    },
    {
      "bug": null,
      "name": "mediawiki",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1:1.35.2-1"
    }
  ],
  "distribution_packages": []
}

OpenFactory catalog packages

L’association des paquets est en cours.

[Debian 12 (Bookworm)]

[mediawiki]Inconnu
Détails (4)
- 1:1.39.17-1+deb12u2 · all · bookworm
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
[mediawiki-classes]Inconnu
Paquet source: [mediawiki]
Détails (4)
- 1:1.39.17-1+deb12u2 · all · bookworm
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12
- 1:1.39.17-1+deb12u2 · all · bookworm-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · bookworm; dsa · mediawiki · debian · 12

[Debian 13 (Trixie)]

[mediawiki]Inconnu
Détails (4)
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13
[mediawiki-classes]Inconnu
Paquet source: [mediawiki]
Détails (4)
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13
- 1:1.43.9+dfsg-1~deb13u1 · all · trixie-security
  Corrigée · Corrigée: 1:1.35.2-1
  dsa · mediawiki · debian · 13

Observé: Oct 23, 2026, 5:56:34 PM UTC

Références

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