CVE-2026-103437

Description

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS. This issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.

References

• https://gerrit.wikimedia.org/r/q/I9a724c05b2a55845007512422362e02ed8cf44b0
• https://phabricator.wikimedia.org/T435863