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