onyx

onyx --cves cve-2026-92883

CVE-2026-92883

HIGHGitLab
score
0.8
cvss
8.7
epss
0.3%
published
2026-10-13
kev added
—
first seen

GitLab CE/EE >= 19.1, < 19.2.8, 19.3, < 19.3.5, and 19.4, < 19.4.2 contain a stored XSS caused by improper sanitization of HTML attributes in syntax-highlighted output, letting authenticated users execute arbitrary JavaScript in other users' browser sessions via specially crafted repositories.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2026-10-12 — First advisory — GitLab security releases: GitLab Critical Patch Release: 19.4.2, 19.3.5, 19.2.8A2026-10-13 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score 0.80.8epss2026-10-13: epss 0.3%2026-10-14: epss 0.3%2026-10-15: epss 0.3%2026-10-16: epss 0.3%2026-10-18: epss 0.3%2026-10-19: epss 0.3%2026-10-20: epss 0.3%2026-10-21: epss 0.3%0.3%mentions/day0no mentions in 30 days2026-09-22today
  1. First advisory — GitLab security releases GitLab Critical Patch Release: 19.4.2, 19.3.5, 19.2.8
  2. Published
  3. Tracked by Onyx

Advisories

0 feeds this week

Weaknesses

CWE-79

References 3