Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
WordPress.org WordPress — WordPress < 6.3.2 is vulnerable to Broken Access Control
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U L N N 4.3 .0104 63.1 —
AFFECTED
Product Versions Fixed
WordPress 6.3 – 6.3.2
TIMELINE
Aug 8 Reserved by Patchstack
Oct 13 Published (CNA: Patchstack)
Oct 5 EXPLOIT PUBLISHED — CVE-2023-39999 (WordPress.org WordPress). Public exploit reference added.
Description
Exposure of Sensitive Information to an Unauthorized Actor in WordPress from 6.3 through 6.3.1, from 6.2 through 6.2.2, from 6.1 through 6.13, from 6.0 through 6.0.5, from 5.9 through 5.9.7, from 5.8 through 5.8.7, from 5.7 through 5.7.9, from 5.6 through 5.6.11, from 5.5 through 5.5.12, from 5.4 through 5.4.13, from 5.3 through 5.3.15, from 5.2 through 5.2.18, from 5.1 through 5.1.16, from 5.0 through 5.0.19, from 4.9 through 4.9.23, from 4.8 through 4.8.22, from 4.7 through 4.7.26, from 4.6 through 4.6.26, from 4.5 through 4.5.29, from 4.4 through 4.4.30, from 4.3 through 4.3.31, from 4.2 through 4.2.35, from 4.1 through 4.1.38.
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-39999 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.