What is GHSA-mjjr-x3qf-v4rg?

GHSA-mjjr-x3qf-v4rg is a security advisory published by GitHub Security Advisories with Medium severity. Improper encoding or escaping of output in CSS in Google Chrome prior to 153.0.8010.36 allowed a...

Which CVE IDs does GHSA-mjjr-x3qf-v4rg cover?

GHSA-mjjr-x3qf-v4rg covers the following CVE IDs: CVE-2026-87550. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mjjr-x3qf-v4rg?

GHSA-mjjr-x3qf-v4rg has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-mjjr-x3qf-v4rgMediumCVSS 4.3

Improper encoding or escaping of output in CSS in Google Chrome prior to 153.0.8010.36 allowed a...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-87550 →

📋 Description

Improper encoding or escaping of output in CSS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-87550
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/518082852
https://github.com/advisories/GHSA-mjjr-x3qf-v4rg