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

5.5
CVE ID Unknown
Aug 8, 2026
Researchers:
# Title CVE ID CVSS Researchers Date
1 WordPress Core <= 7.0.2 - Unauthenticated Sensitive Information Exposure via Comment Feeds 5.3 Elio Gubser (odkdn1) August 8, 2026
2 WordPress Core <= 7.0.2 - Unauthenticated Reflected Cross-Site Scripting via log Parameter CVE-2026-64638 6.1 pwn.ai Team August 8, 2026
3 WordPress Core <= 7.0.2 - Authenticated (Subscriber+) Email Change Confirmation Bypass 4.3 0ways August 8, 2026
4 WordPress Core <= 7.0.2 - Unauthenticated Blind Server-Side Request Forgery 5.8 Andrew MacPherson August 8, 2026
5 WordPress Core <= 7.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Emoji Settings Element 6.4 Asaf Mozes August 8, 2026
6 WordPress Core <= 7.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Quick Edit 4.9 moochi, mappymappy August 8, 2026
7 WordPress Core <= 7.0.2 - Authenticated (Author+) CSS Injection 5.5 August 8, 2026
8 WordPress Core <= 7.0.2 - Authenticated (Subscriber+) Missing Authorization to Arbitrary Site Creation on Multisite 4.3 Aikido Security August 8, 2026
9 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
10 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

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