onyx

onyx --cves cve-2023-38000

CVE-2023-38000

MEDPOCWordPress
score
<0.1
cvss
6.5
epss
0.9%
published
2023-10-13
kev added
—
first seen

WordPress core versions 5.9 through 5.9.7, 6.0 through 6.0.5, 6.1 through 6.1.3, 6.2 through 6.2.2, 6.3 through 6.3.1, and Gutenberg plugin <= 16.8.0 contain a stored cross-site scripting caused by insufficient sanitization in authentication-related features, letting attackers execute malicious scripts in the context of the affected site, exploit requires attacker to have contributor or higher privileges.

Timeline

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

events2023-10-13 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.8%2026-09-23: epss 0.8%2026-09-24: epss 0.8%2026-09-25: epss 0.8%2026-09-26: epss 0.8%2026-09-27: epss 0.8%2026-09-28: epss 0.8%2026-09-29: epss 0.8%2026-09-30: epss 0.8%2026-10-01: epss 0.8%2026-10-02: epss 0.8%2026-10-03: epss 0.8%2026-10-04: epss 0.8%2026-10-05: epss 0.8%2026-10-06: epss 0.8%2026-10-07: epss 0.8%2026-10-08: epss 0.8%2026-10-09: epss 0.8%2026-10-10: epss 0.8%2026-10-11: epss 0.8%2026-10-12: epss 0.8%2026-10-13: epss 0.8%2026-10-14: epss 0.9%2026-10-15: epss 0.9%2026-10-16: epss 0.9%2026-10-18: epss 0.9%2026-10-19: epss 0.9%2026-10-20: epss 0.9%2026-10-21: epss 0.9%0.9%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-79

References 3