All vulnerabilities
CVE-2026-103048

Mediawiki - Collection extension: Open Redirect in Special:Book

The Wikimedia Foundation Mediawiki - Collection extensionApplications & CMS
Open in ThreatlineRecord JSON
CVSS
6.1Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.15%Chance of exploitation activity in the next 30 days, higher than 3% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.46.1, 1.45.5, 1.43.10Fixed versionCVE List
Published29 Sep 2026Updated 1 Oct 2026CVE List

What fixes it

  • 1.46.1, 1.45.5, 1.43.10Mediawiki - Collection extensionCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data.

This issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.

Text from CVE List

Affected versions 1

  • Mediawiki - Collection extensionaffected: all versions before 1.46.1, 1.45.5, 1.43.10CVE List

References 2