CVE-2026-3903
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
2Description
The Modular DS: Monitor, update, and backup multiple websites plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.5.1. This is due to missing nonce validation on the postConfirmOauth() function. This makes it possible for unauthenticated attackers to disconnect the plugin's OAuth/SSO connection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Analysis
The Modular DS WordPress plugin through version 2.5.1 lacks CSRF protections on its OAuth disconnection function, allowing unauthenticated attackers to sever the plugin's SSO connection by tricking administrators into clicking a malicious link. This vulnerability affects all website administrators using the plugin and could disrupt authentication mechanisms if exploited. …
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Remediation
Within 30 days: Identify affected systems running for WordPress is vulnerable to Cross-Site Request Forgery in and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens are enforced.
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