onyx

onyx --cves cve-2019-8942

CVE-2019-8942

HIGHKEVPOCWordPress
score
<0.1
cvss
8.8
epss
82.7%
published
2019-02-20
kev added
2021-04-12
first seen

WordPress before 4.9.9 and 5.x before 5.0.1 contain a remote code execution caused by changing _wp_attached_file Post Meta to an arbitrary string, letting attackers with author privileges execute code via crafted images with PHP in Exif metadata, exploit leverages CVE-2019-8943.

Timeline

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

events2019-02-20 — PublishedP2021-04-12 — Added to CISA KEVK2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoC: https://www.exploit-db.com/exploits/46511/Xscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 82.7%2026-09-23: epss 82.7%2026-09-24: epss 82.7%2026-09-25: epss 82.7%2026-09-26: epss 82.7%2026-09-27: epss 82.7%2026-09-28: epss 82.7%2026-09-29: epss 82.7%2026-09-30: epss 82.7%2026-10-01: epss 82.7%2026-10-02: epss 82.7%2026-10-03: epss 82.7%2026-10-04: epss 82.7%2026-10-05: epss 82.7%2026-10-06: epss 82.7%2026-10-07: epss 82.7%2026-10-08: epss 82.7%2026-10-09: epss 82.7%2026-10-10: epss 82.7%2026-10-11: epss 82.7%2026-10-12: epss 82.7%2026-10-13: epss 82.7%2026-10-14: epss 82.7%2026-10-15: epss 82.7%2026-10-16: epss 82.7%2026-10-18: epss 82.7%2026-10-19: epss 82.7%2026-10-20: epss 82.7%2026-10-21: epss 82.7%82.7%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Added to CISA KEV
  3. Tracked by Onyx
  4. Public PoC https://www.exploit-db.com/exploits/46511/

Exploit availability

Weaknesses

CWE-434

References 10