CVE-2024-6641: CWE-185 Incorrect Regular Expression in astrasecuritysuite WP Hardening (discontinued)
The WP Hardening – Fix Your WordPress Security plugin for WordPress is vulnerable to Security Feature Bypass in all versions up to, and including, 1.2.6. This is due to use of an incorrect regular expression within the "Stop User Enumeration" feature. This makes it possible for unauthenticated attackers to bypass intended security restrictions and expose site usernames.
AI Analysis
Technical Summary
The WP Hardening plugin for WordPress contains a security feature bypass vulnerability due to an incorrect regular expression in its "Stop User Enumeration" feature. This flaw allows unauthenticated attackers to circumvent intended restrictions designed to prevent user enumeration, thereby exposing usernames on affected WordPress sites. The vulnerability is tracked as CVE-2024-6641 with a CVSS 3.1 base score of 5.3 (medium severity). The plugin is discontinued, and no patch or remediation is currently available from the vendor.
Potential Impact
An attacker can bypass the user enumeration protection mechanism, exposing usernames of site accounts. This could facilitate further targeted attacks such as brute force or social engineering. The vulnerability does not affect data integrity or availability, only confidentiality of usernames.
Mitigation Recommendations
Since the WP Hardening plugin is discontinued and no patch is available, users should consider disabling or uninstalling the plugin to eliminate the vulnerability. Alternatively, implement other user enumeration protections via different maintained security plugins or server-side controls. Monitor vendor advisories for any updates, but currently no official fix exists.
CVE-2024-6641: CWE-185 Incorrect Regular Expression in astrasecuritysuite WP Hardening (discontinued)
Description
The WP Hardening – Fix Your WordPress Security plugin for WordPress is vulnerable to Security Feature Bypass in all versions up to, and including, 1.2.6. This is due to use of an incorrect regular expression within the "Stop User Enumeration" feature. This makes it possible for unauthenticated attackers to bypass intended security restrictions and expose site usernames.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The WP Hardening plugin for WordPress contains a security feature bypass vulnerability due to an incorrect regular expression in its "Stop User Enumeration" feature. This flaw allows unauthenticated attackers to circumvent intended restrictions designed to prevent user enumeration, thereby exposing usernames on affected WordPress sites. The vulnerability is tracked as CVE-2024-6641 with a CVSS 3.1 base score of 5.3 (medium severity). The plugin is discontinued, and no patch or remediation is currently available from the vendor.
Potential Impact
An attacker can bypass the user enumeration protection mechanism, exposing usernames of site accounts. This could facilitate further targeted attacks such as brute force or social engineering. The vulnerability does not affect data integrity or availability, only confidentiality of usernames.
Mitigation Recommendations
Since the WP Hardening plugin is discontinued and no patch is available, users should consider disabling or uninstalling the plugin to eliminate the vulnerability. Alternatively, implement other user enumeration protections via different maintained security plugins or server-side controls. Monitor vendor advisories for any updates, but currently no official fix exists.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-07-10T00:52:55.526Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6c0ab7ef31ef0b55f422
Added to database: 2/25/2026, 9:39:22 PM
Last enriched: 4/9/2026, 2:59:02 PM
Last updated: 4/12/2026, 6:22:04 PM
Views: 28
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