WordPress < 6.3.2 is vulnerable to Broken Access Control
Priority LOW 22CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
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.
Why it matters now
EPSS 0.0119 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WordPress | WordPress | 6.3 – 6.3.1; 6.2 – 6.2.2; 6.1 – 6.1.3; 6.0 – 6.0.5; 5.9 – 5.9.7; 5.8 – 5.8.7; 5.7 – 5.7.9; 5.6 – 5.6.11; 5.5 – 5.5.12; 5.4 – 5.4.13; 5.3 – 5.3.15; 5.2 – 5.2.18; 5.1 – 5.1.16; 5.0 – 5.0.19; 4.9 – 4.9.23; 4.8 – 4.8.22; 4.7 – 4.7.26; 4.6 – 4.6.26; 4.5 – 4.5.29; 4.4 – 4.4.30; 4.3 – 4.3.31; 4.2 – 4.2.35; 4.1 – 4.1.38 | — | No fix listed | CNA |
- WordPress VendorWordPress Affected 6.3 – 6.3.1; 6.2 – 6.2.2; 6.1 – 6.1.3; 6.0 – 6.0.5; 5.9 – 5.9.7; 5.8 – 5.8.7; 5.7 – 5.7.9; 5.6 – 5.6.11; 5.5 – 5.5.12; 5.4 – 5.4.13; 5.3 – 5.3.15; 5.2 – 5.2.18; 5.1 – 5.1.16; 5.0 – 5.0.19; 4.9 – 4.9.23; 4.8 – 4.8.22; 4.7 – 4.7.26; 4.6 – 4.6.26; 4.5 – 4.5.29; 4.4 – 4.4.30; 4.3 – 4.3.31; 4.2 – 4.2.35; 4.1 – 4.1.38 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* | 4.1 – 4.1.38; 4.2 – 4.2.35; 4.3 – 4.3.31; 4.4 – 4.4.30; 4.5 – 4.5.29; 4.6 – 4.6.26; 4.7 – 4.7.26; 4.8 – 4.8.22; 4.9 – 4.9.23; 5.0 – 5.0.19; 5.1 – 5.1.16; 5.2 – 5.2.18; 5.3 – 5.3.15; 5.4 – 5.4.13; 5.5 – 5.5.12; 5.6 – 5.6.11; 5.7 – 5.7.9; 5.8 – 5.8.7; 5.9 – 5.9.7; 6.0 – 6.0.5; 6.1 – 6.1.3; 6.2 – 6.2.2; 6.3 to before 6.3.2 | Vulnerable | WordPress |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* Versions 4.1 – 4.1.38; 4.2 – 4.2.35; 4.3 – 4.3.31; 4.4 – 4.4.30; 4.5 – 4.5.29; 4.6 – 4.6.26; 4.7 – 4.7.26; 4.8 – 4.8.22; 4.9 – 4.9.23; 5.0 – 5.0.19; 5.1 – 5.1.16; 5.2 – 5.2.18; 5.3 – 5.3.15; 5.4 – 5.4.13; 5.5 – 5.5.12; 5.6 – 5.6.11; 5.7 – 5.7.9; 5.8 – 5.8.7; 5.9 – 5.9.7; 6.0 – 6.0.5; 6.1 – 6.1.3; 6.2 – 6.2.2; 6.3 to before 6.3.2 Vulnerable ·WordPress
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39999
- 2026-10-03 Alias added: GHSA-4pqc-j77p-x3p2
- 2026-10-05 Affected versions changed · CNA
References
Exploit 1
Advisory 5
- 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.fedoraproject.org/archives/list/[email protected]/message/2EVFT4DPZRFTXJPEPADM22BZVIUD2P66/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WQBL4ZQCBFNQ76XHM5257CIBFQRGT5QY/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/GCCVDPKOK57WCTH2QJ5DJM3B53RJNZKA/
- https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html
More Wordpress vulnerabilities
- TI-2026-45010 WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution KEVCVSS 3.1CRITICAL 9.8
- TI-2016-08118 The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-83466 Predictable staging paths let attackers run code in WordPress Core KEVCVSS 3.1HIGH 8.1
- TI-2026-59973 An unauthenticated attacker can make `get_page_template()` page-template resolution… KEVCVSS 3.1HIGH 8.1
- TI-2016-08129 The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass… CVSS 3.1CRITICAL 9.8
- TI-2026-42844 WordPress < 7.0.2 - Facilitated SQL Injection via author__not_in in WP_Query KEVCVSS 3.1MEDIUM 5.9
Sources
- CVE-2023-39999 · CVE Program
- CVE-2023-39999 · NVD
- FIRST EPSS
- GHSA-4pqc-j77p-x3p2 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-39999 · Red Hat security data · CC BY 4.0
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