onyx

onyx --cves cve-2023-39999

CVE-2023-39999

MEDPOCWordPress
score
<0.1
cvss
4.3
epss
1.2%
published
2023-10-13
kev added
—
first seen

WordPress versions from 4.1 through 4.1.38, 4.2 through 4.2.35, 4.3 through 4.3.31, 4.4 through 4.4.30, 4.5 through 4.5.29, 4.6 through 4.6.26, 4.7 through 4.7.26, 4.8 through 4.8.22, 4.9 through 4.9.23, 5.0 through 5.0.19, 5.1 through 5.1.16, 5.2 through 5.2.18, 5.3 through 5.3.15, 5.4 through 5.4.13, 5.5 through 5.5.12, 5.6 through 5.6.11, 5.7 through 5.7.9, 5.8 through 5.8.7, 5.9 through 5.9.7, 6.0 through 6.0.5, 6.1 through 6.13, 6.2 through 6.2.2, and 6.3 through 6.3.1 contain an exposure of sensitive information to an unauthorized actor caused by insufficient access controls in various components, letting attackers access sensitive data, exploit requires no special privileges or user interaction.

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 1.0%2026-09-23: epss 1.0%2026-09-24: epss 1.0%2026-09-25: epss 1.0%2026-09-26: epss 1.0%2026-09-27: epss 1.0%2026-09-28: epss 1.0%2026-09-29: epss 1.0%2026-09-30: epss 1.0%2026-10-01: epss 1.0%2026-10-02: epss 1.0%2026-10-03: epss 1.0%2026-10-04: epss 1.0%2026-10-05: epss 1.0%2026-10-06: epss 1.0%2026-10-07: epss 1.0%2026-10-08: epss 1.0%2026-10-09: epss 1.0%2026-10-10: epss 1.0%2026-10-11: epss 1.0%2026-10-12: epss 1.0%2026-10-13: epss 1.0%2026-10-14: epss 1.2%2026-10-15: epss 1.2%2026-10-16: epss 1.2%2026-10-18: epss 1.2%2026-10-19: epss 1.2%2026-10-20: epss 1.2%2026-10-21: epss 1.2%1.2%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-200 NVD-CWE-noinfo

References 6