onyx

onyx --cves cve-2022-28397

CVE-2022-28397

CRITPOCGhost
score
<0.1
cvss
9.8
epss
3.5%
published
2022-04-12
kev added
—
first seen

Ghost CMS v4.42.0 contains an unrestricted file upload caused by insufficient validation in the file upload module, letting trusted users execute arbitrary code, exploit requires trusted user credentials.

Timeline

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

events2022-04-12 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 3.5%2026-09-23: epss 3.5%2026-09-24: epss 3.5%2026-09-25: epss 3.5%2026-09-26: epss 3.5%2026-09-27: epss 3.5%2026-09-28: epss 3.5%2026-09-29: epss 3.5%2026-09-30: epss 3.5%2026-10-01: epss 3.5%2026-10-02: epss 3.5%2026-10-03: epss 3.5%2026-10-04: epss 3.5%2026-10-05: epss 3.5%2026-10-06: epss 3.5%2026-10-07: epss 3.5%2026-10-08: epss 3.5%2026-10-09: epss 3.5%2026-10-10: epss 3.5%2026-10-11: epss 3.5%2026-10-12: epss 3.5%2026-10-13: epss 3.5%2026-10-14: epss 3.5%2026-10-15: epss 3.5%2026-10-16: epss 3.5%2026-10-18: epss 3.5%2026-10-19: epss 3.5%2026-10-20: epss 3.5%2026-10-21: epss 3.5%3.5%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-434

References 6