Cross-site Scripting (XSS) Affecting mediawiki package, versions <1:1.31.14-1~deb10u1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Scope
Changed
Threat Intelligence
EPSS
0.37% (73rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-MEDIAWIKI-1243877
- published 7 Apr 2021
- disclosed 6 Apr 2021
Introduced: 6 Apr 2021
CVE-2021-30154 Open this link in a new tabHow to fix?
Upgrade Debian:10
mediawiki
to version 1:1.31.14-1~deb10u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mediawiki
package and not the mediawiki
package as distributed by Debian
.
See How to fix?
for Debian:10
relevant fixed versions and status.
An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all the mediastatistics-header-* messages are output in HTML unescaped, leading to XSS.
References
- https://security-tracker.debian.org/tracker/CVE-2021-30154
- https://www.debian.org/security/2021/dsa-4889
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/
- https://phabricator.wikimedia.org/T278014
- https://security.gentoo.org/glsa/202107-40
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/