What’s Vulnerable › Vulnerabilities

CVE-2024-0789: WP Maintenance <= 6.1.9.2 - IP Spoofing to Maintenance Mode Bypass

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-19 · updated 2026-06-17
• Weakness: CWE-348

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.

Affected products

• Florent Maillefaud WP Maintenance: through 6.1.9.2

References

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3078682%40wp-maintenance%2Ftrunk&old=3069916%40wp-maintenance%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/8f6bbaa1-c50f-4dad-9e5b-04bdffd4a0ae?source=cve
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3078682%40wp-maintenance%2Ftrunk&old=3069916%40wp-maintenance%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/8f6bbaa1-c50f-4dad-9e5b-04bdffd4a0ae?source=cve

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