All vulnerabilities
CVE-2026-103437

ReadingLists imported metadata permits JavaScript URL XSS

The Wikimedia Foundation MediaWiki ReadingLists extensionApplications & CMS
CVSS
1.1Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.30%Chance of exploitation activity in the next 30 days, higher than 21% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published30 Sep 2026Updated 30 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

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.

Text from CVE List

Affected versions 2

  • MediaWiki ReadingLists extensionaffected: 1.46CVE List
  • MediaWiki ReadingLists extensionaffected: 1.45CVE List

References 2