CVE-2026-100376

Vulnerability Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.

Related Weaknesses (CWE)

CWE-79

References

https://gerrit.wikimedia.org/r/q/I6630b9915f640bf75c8570165eb8728bd7a2c07a
https://phabricator.wikimedia.org/T430596

FAQ

What is CVE-2026-100376?

CVE-2026-100376 is a documented vulnerability. Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS...

How severe is CVE-2026-100376?

CVSS scoring is not yet available for CVE-2026-100376. Check NVD for updates.

Is there a patch for CVE-2026-100376?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.