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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.

PUBLISHED Reserved 2026-01-08 | Published 2026-04-07 | Updated 2026-04-08 | Assigner wikimedia-foundation




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

Problem types

CWE-87 Improper neutralization of alternate XSS syntax

Product status

Default status
affected

1.43
unaffected

1.44
unaffected

1.45
unaffected

Any version before 1.43
affected

Credits

SomeRandomDeveloper finder

References

phabricator.wikimedia.org/T416502

gerrit.wikimedia.org/...209478a044504f5a6aea0d8c3d14f21c48b3

cve.org (CVE-2026-22711)

nvd.nist.gov (CVE-2026-22711)

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