EUVD-2026-32073
GHSA-c9g7-24f9-cgmr
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The Two-factor authentication (formerly IP Vault) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1. This is due to missing or incorrect nonce validation on the ipv_save_changes function. This makes it possible for unauthenticated attackers to modify the plugin's firewall and two-factor authentication settings - including the operating mode, request include/exclude rules, authentication slug, and log retention period - potentially disabling protection entirely via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
AnalysisAI
Cross-Site Request Forgery in the Two-factor Authentication (formerly IP Vault) WordPress plugin versions up to and including 2.1 enables unauthenticated remote attackers to manipulate the plugin's firewall rules and 2FA configuration - potentially disabling protection entirely - by inducing an authenticated site administrator to click a crafted link. The vulnerable surface is the ipv_save_changes function in admin-settings.php, which lacks proper nonce validation. No public exploit has been identified at time of analysis, and EPSS at 0.02% (6th percentile) reflects very low automated exploitation probability, though the downstream security impact of silently disabling 2FA or firewall rules is disproportionate to the raw CVSS score of 4.3.
Technical ContextAI
The vulnerability resides in the ipv_save_changes function (admin-settings.php line 129, ip-vault.php line 482) within the IP Vault / Two-factor Authentication WordPress plugin, which handles write operations to the plugin's configuration - covering operating mode, request include/exclude rules, authentication slug, and log retention period. CWE-352 (Cross-Site Request Forgery) is the root cause: WordPress plugins are expected to validate a cryptographic nonce tied to the authenticated session before processing state-changing POST requests; this plugin either omits nonce verification entirely or performs it incorrectly for this function. Because WordPress admin actions execute with the full privilege of the logged-in user, any forged request that reaches ipv_save_changes while an admin session is active will be processed without challenge. The plugin's dual role as both a firewall and a 2FA provider means a successful CSRF attack does not merely change cosmetic settings - it can strip an entire layer of authentication and access controls from the WordPress installation.
RemediationAI
Site owners should update the Two-factor Authentication (formerly IP Vault) plugin to a version beyond 2.1 as soon as a patched release is published by the vendor. The Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/5a58f809-d051-4841-a1da-7bc1cf59e1a2) should be monitored for confirmation of a patched version number; an exact fix version has not been independently confirmed from the available data. As an interim compensating control, administrators can restrict access to the WordPress admin dashboard (wp-admin) by IP allowlist at the server or WAF level, which eliminates the network-reachable surface required for CSRF delivery. Wordfence's own firewall (if separately deployed) includes CSRF protection rules that may block exploitation attempts targeting this plugin. Administrators should also review current plugin settings - particularly operating mode and authentication slug - to detect unauthorized changes that may indicate prior exploitation. Disabling the plugin entirely until patched is an option but removes the 2FA and firewall protections it provides, which must be weighed against the CSRF risk.
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External POC / Exploit Code
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