WordPress Core <= 6.4.3 - Sensitive Information Exposure via redirect_guess_404_permalink

5.3
Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2023-5692
CVSS 5.3 (Medium)
Publicly Published April 4, 2024
Last Updated April 5, 2024
Researcher Francesco Carlucci

Description

WordPress Core is vulnerable to Sensitive Information Exposure in versions up to, and including, 6.4.3 via the redirect_guess_404_permalink function. This can allow unauthenticated attackers to expose the slug of a custom post whose 'publicly_queryable' post status has been set to 'false'.

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Vulnerability Details for WordPress

Software Type Core
Patched? Yes
Remediation Update to version 6.5, or a newer patched version
Affected Version
  • <= 6.4.3
Patched Version
  • 6.5

Recent vulnerabilities in WordPress

# Title CVE ID CVSS Researchers Date
1 WordPress Core 6.9 - 7.0.1 - Remote Code Execution via REST API Batch Request Route Confusion CVE-2026-63030 9.8 Adam Kues July 17, 2026
2 WordPress Core 6.8 - 7.0.1 - Unauthenticated SQL Injection via author__not_in Parameter CVE-2026-60137 7.5 Tin Pham (TF1T), Trong Pham (dtro), haongo July 17, 2026
3 WordPress <= 6.9.1 - Missing Authorization to Authenticated (Author+) Sensitive Information Disclosure via query-attachments AJAX Endpoint 4.3 Vitaly Simonovich March 10, 2026
4 WordPress 6.9 - 6.9.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Note Creation via REST API CVE-2026-3906 4.3 kaminuma March 10, 2026
5 WordPress <= 6.9.1 - Authenticated (Author+) XML External Entity Injection via getID3 Library Media Upload 6.5 Youssef Achtatal March 10, 2026
6 WordPress <= 6.9.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via Navigation Menu Items 4.4 sibwtf March 10, 2026
7 WordPress <= 6.9.1 - Unauthenticated Blind Server-Side Request Forgery via XML-RPC Pingback Discovery 5.8 sibwtf March 10, 2026
8 WordPress <= 6.9.1 - Cross-Site Scripting via Client-Side Template Override in Admin Area 4.4 Asaf Mozes March 10, 2026
9 WordPress <= 6.8.2 - Authenticated (Contributor+) Sensitive Information Exposure CVE-2025-58246 4.3 Abu Hurayra (HurayraIIT) September 22, 2025
10 WordPress <= 6.8.2 - Authenticated (Author+) Stored Cross-Site Scripting CVE-2025-58674 6.4 SavPhill (Savphill) September 22, 2025

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