What is GHSA-2fmc-4qg7-7m8x?

GHSA-2fmc-4qg7-7m8x is a security advisory published by GitHub Security Advisories with Low severity. Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in...

Which CVE IDs does GHSA-2fmc-4qg7-7m8x cover?

GHSA-2fmc-4qg7-7m8x covers the following CVE IDs: CVE-2026-103443. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-2fmc-4qg7-7m8xLow

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in...

Vendor

GitHub Security Advisories

Published

September 30, 2026

Last Modified

September 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-103443 →

📋 Description

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements.

This issue affects MediaWiki Collection (Book) extension: 1.46, 1.45, and 1.43.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-103443
https://gerrit.wikimedia.org/r/q/I51d973d4ace99fb6e584296f296efb0ff50339ce
https://phabricator.wikimedia.org/T435822
https://github.com/advisories/GHSA-2fmc-4qg7-7m8x