WordPress Core <= 6.4.3 - Sensitive Information Exposure via redirect_guess_404_permalink
Priority LOW 26CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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
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'.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00842 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5692
- 2026-10-03 Alias added: GHSA-9m7w-p6hr-xv2x
References
Other 5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6e6f993b-ce09-4050-84a1-cbe9953f36b1?source=cve
- https://github.com/WordPress/wordpress-develop/blob/6.3/src/wp-includes/canonical.php#L763
- https://developer.wordpress.org/reference/functions/is_post_publicly_viewable/
- https://developer.wordpress.org/reference/functions/is_post_type_viewable/
- https://core.trac.wordpress.org/changeset/57645
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-2020-15454 The File Manager (wp-file-manager) plugin before 6.9 for WordPress allows remote… KEVCVSS 3.1CRITICAL 10.0
- 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-2020-09427 The Snap Creek Duplicator plugin before 1.3.28 for WordPress (and Duplicator Pro before… KEVCVSS 3.1HIGH 7.5
Sources
- CVE-2023-5692 · CVE Program
- CVE-2023-5692 · NVD
- FIRST EPSS
- GHSA-9m7w-p6hr-xv2x · GitHub Advisory Database · CC BY 4.0
- CVE-2023-5692 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences