What is GHSA-3c39-338m-m4vp?

GHSA-3c39-338m-m4vp is a security advisory published by GitHub Security Advisories with High severity. Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft...

Which CVE IDs does GHSA-3c39-338m-m4vp cover?

GHSA-3c39-338m-m4vp covers the following CVE IDs: CVE-2026-42897. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3c39-338m-m4vp?

GHSA-3c39-338m-m4vp has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-3c39-338m-m4vpHighCVSS 8.1

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

Vendor

GitHub Security Advisories

Published

May 14, 2026

Last Modified

May 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-42897 →

📋 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 (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-42897
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42897
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42897
https://github.com/advisories/GHSA-3c39-338m-m4vp