Medium severity · published Apr 7, 2026
CVE-2026-22711
Stored XSS through system messages in WikiLove
6.9
CVSS
0.3%
EPSS
No
On KEV
Description
Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting (XSS).The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MW
Mediawiki - Wikilove Extension · The Wikimedia Foundation
before 1.43 · source: vendor
Affected product
MW
Mediawiki - Wikilove Extension
The Wikimedia Foundation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22711
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22711
gerrit.wikimedia.org
https://gerrit.wikimedia.org/r/q/Iab86209478a044504f5a6aea0d8c3d14f21c48b3
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T416502
More from Mediawiki - Wikilove Extension
6.9
CVE-2025-62694
Stored XSS through a system message