What’s Vulnerable › Vulnerabilities
CVE-2023-39999: WordPress < 6.3.2 is vulnerable to Broken Access Control
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-10-13 · updated 2026-10-05
- Weakness: CWE-200
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.
Affected products
- Fedoraproject Fedora: 37, 38
- WordPress: from 4.1 through 4.1.38; from 4.2 through 4.2.35; from 4.3 through 4.3.31; from 4.4 through 4.4.30; from 4.5 through 4.5.29; from 4.6 through 4.6.26 — fixed in 6.3.2
How to fix
Upgrade to a fixed version: WordPress 6.3.2. Check the vendor advisory for mitigations.
References
- https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2EVFT4DPZRFTXJPEPADM22BZVIUD2P66/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCCVDPKOK57WCTH2QJ5DJM3B53RJNZKA/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQBL4ZQCBFNQ76XHM5257CIBFQRGT5QY/
- https://patchstack.com/articles/wordpress-core-6-3-2-security-update-technical-advisory?_s_id=cve
- https://patchstack.com/database/vulnerability/wordpress/wordpress-wordpress-core-core-6-3-2-contributor-comment-read-on-private-and-password-protected-post-vulnerability?_s_id=cve
- https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2EVFT4DPZRFTXJPEPADM22BZVIUD2P66/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCCVDPKOK57WCTH2QJ5DJM3B53RJNZKA/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQBL4ZQCBFNQ76XHM5257CIBFQRGT5QY/
- https://patchstack.com/articles/wordpress-core-6-3-2-security-update-technical-advisory?_s_id=cve
- https://patchstack.com/database/vulnerability/wordpress/wordpress-wordpress-core-core-6-3-2-contributor-comment-read-on-private-and-password-protected-post-vulnerability?_s_id=cve
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