What is GHSA-xpfg-cjj6-56wx?

GHSA-xpfg-cjj6-56wx is a security advisory published by GitHub Security Advisories with Critical severity. Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft...

Which CVE IDs does GHSA-xpfg-cjj6-56wx cover?

GHSA-xpfg-cjj6-56wx covers the following CVE IDs: CVE-2026-55008. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xpfg-cjj6-56wx?

GHSA-xpfg-cjj6-56wx has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-xpfg-cjj6-56wxCriticalCVSS 9.6

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-55008 →

📋 Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-55008
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55008
https://github.com/advisories/GHSA-xpfg-cjj6-56wx