CVEvulnerability
CVE-2021-30157
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-04-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
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.
Affected configurations
• mediawiki mediawiki (< 1.31.12)
• mediawiki mediawiki (>= 1.32.0 < 1.35.2)
• debian debian linux 10.0
• fedoraproject fedora 33
• fedoraproject fedora 34
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/ lists.fedoraproject.org
- https://phabricator.wikimedia.org/T278058 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202107-40 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4889 Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/ lists.fedoraproject.org
- https://phabricator.wikimedia.org/T278058 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202107-40 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4889 Third Party Advisory