Modular Connector <= 2.5.1 - Cross-Site Request Forgery via postConfirmOauth
Affected versions: *-2.5.1
Vulnerability type: CWE-352 Cross-Site Request Forgery (CSRF)
Affected software, patched versions and attribution
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.
Modular DS: Monitor, update, and backup multiple websites
Affected versions: *-2.5.1
Patched versions: 2.6.0
Researcher credit: Dmitrii Ignatyev
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- Published
- March 10, 2026
- CVSS
- 4.3