Improper access control in WordPress - CVE-2023-39999

Vulnerability identifier: #VU82018

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-39999

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and read comments on private and password protected posts.

WordPress
Debian Linux
Fedora
wordpress
wordpress (Debian package)

Install updates from vendor's website.

WordPress - addressed in versions 4.1.39, 4.2.36, 4.3.32, 4.4.31, 4.5.30, 4.6.27, 4.7.27, 4.8.23, 4.9.24, 5.0.20, 5.1.17, 5.2.19, 5.3.16, 5.4.14, 5.5.13, 5.6.12, 5.7.10, 5.8.8, 5.9.8, 6.0.6, 6.1.4, 6.2.3, 6.3.2
wordpress - addressed in versions 5.1.17-1.el7, 6.2.3-1.fc37, 6.3.2-1.el9, 6.3.2-1.fc38, 6.3.2-1.fc39
wordpress (Debian package) - addressed in versions 5.7.11+dfsg1-0+deb11u1, 6.1.6+dfsg1-0+deb12u1

• 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://patchstack.com/articles/wordpress-core-6-3-2-security-update-technical-advisory?_s_id=cve
• https://wordpress.org/news/2023/10/wordpress-6-3-2-maintenance-and-security-release/

• Multiple vulnerabilities in WordPress
• Fedora EPEL 9 update for wordpress
• Fedora 39 update for wordpress
• Fedora 38 update for wordpress
• Fedora EPEL 7 update for wordpress
• Fedora 37 update for wordpress
• Debian update for wordpress