onyx

onyx --cves cve-2021-41165

CVE-2021-41165

HIGHDrupal
score
<0.1
cvss
8.2
epss
1.6%
published
2021-11-17
kev added
—
first seen

CKEditor4 < 4.17.0 contains a content sanitization bypass caused by injection of malformed comments in HTML processing, letting attackers execute arbitrary JavaScript code, exploit requires use of affected version.

Timeline

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

events2021-11-17 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 1.6%2026-09-23: epss 1.6%2026-09-24: epss 1.6%2026-09-25: epss 1.6%2026-09-26: epss 1.6%2026-09-27: epss 1.6%2026-09-28: epss 1.6%2026-09-29: epss 1.6%2026-09-30: epss 1.6%2026-10-01: epss 1.6%2026-10-02: epss 1.6%2026-10-03: epss 1.6%2026-10-04: epss 1.6%2026-10-05: epss 1.6%2026-10-06: epss 1.6%2026-10-07: epss 1.6%2026-10-08: epss 1.6%2026-10-09: epss 1.6%2026-10-10: epss 1.6%2026-10-11: epss 1.6%2026-10-12: epss 1.6%2026-10-13: epss 1.6%2026-10-14: epss 1.6%2026-10-15: epss 1.6%2026-10-16: epss 1.6%2026-10-18: epss 1.6%2026-10-19: epss 1.6%2026-10-20: epss 1.6%2026-10-21: epss 1.6%1.6%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-79

References 5