What is GHSA-45r6-8hjm-wh6p?

GHSA-45r6-8hjm-wh6p is a security advisory published by GitHub Security Advisories with Medium severity. Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...

Which CVE IDs does GHSA-45r6-8hjm-wh6p cover?

GHSA-45r6-8hjm-wh6p covers the following CVE IDs: CVE-2026-100383. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-45r6-8hjm-wh6pMedium

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...

Vendor

GitHub Security Advisories

Published

September 26, 2026

Last Modified

September 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-100383 →

📋 Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Cross-Site Scripting (XSS).

This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the master branch.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-100383
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1326391
https://phabricator.wikimedia.org/T434967
https://github.com/advisories/GHSA-45r6-8hjm-wh6p