CVE-2026-103438

Description

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikistories extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki Wikistories extension: 1.46, 1.45, and 1.43.

References

• https://gerrit.wikimedia.org/r/q/Iad1281879723eba73e4338a00d5ff35c6eed0c3e
• https://phabricator.wikimedia.org/T182213