CVE-2024-0789: CWE-348 Use of Less Trusted Source in florent73 WP Maintenance
The WP Maintenance plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 6.1.9.2 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to bypass maintenance mode.
AI Analysis
Technical Summary
CVE-2024-0789 describes an IP address spoofing vulnerability in the WP Maintenance plugin for WordPress by florent73. The plugin insufficiently validates IP addresses and trusts user-supplied HTTP headers as the primary source for IP retrieval. This weakness enables unauthenticated attackers to bypass the plugin's maintenance mode protections. The vulnerability is classified under CWE-348 (Use of Less Trusted Source). The CVSS 3.1 base score is 5.3, reflecting a network attack vector with low complexity and no privileges or user interaction required, causing limited confidentiality impact only.
Potential Impact
An attacker can bypass the maintenance mode of the WP Maintenance plugin by spoofing IP addresses, potentially exposing the site to unauthorized access during maintenance periods. The impact is limited to confidentiality as no integrity or availability impacts are indicated. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, administrators should consider disabling the plugin during maintenance or restricting access by other means. Avoid relying solely on this plugin's maintenance mode for site protection.
CVE-2024-0789: CWE-348 Use of Less Trusted Source in florent73 WP Maintenance
Description
The WP Maintenance plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 6.1.9.2 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to bypass maintenance mode.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-0789 describes an IP address spoofing vulnerability in the WP Maintenance plugin for WordPress by florent73. The plugin insufficiently validates IP addresses and trusts user-supplied HTTP headers as the primary source for IP retrieval. This weakness enables unauthenticated attackers to bypass the plugin's maintenance mode protections. The vulnerability is classified under CWE-348 (Use of Less Trusted Source). The CVSS 3.1 base score is 5.3, reflecting a network attack vector with low complexity and no privileges or user interaction required, causing limited confidentiality impact only.
Potential Impact
An attacker can bypass the maintenance mode of the WP Maintenance plugin by spoofing IP addresses, potentially exposing the site to unauthorized access during maintenance periods. The impact is limited to confidentiality as no integrity or availability impacts are indicated. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, administrators should consider disabling the plugin during maintenance or restricting access by other means. Avoid relying solely on this plugin's maintenance mode for site protection.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-01-22T17:44:50.585Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6de5b7ef31ef0b590493
Added to database: 2/25/2026, 9:47:17 PM
Last enriched: 4/9/2026, 11:47:49 AM
Last updated: 4/12/2026, 5:32:09 PM
Views: 14
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