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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2026-116610

Clean Login <= 1.20.1 - Missing Authorization to Authenticated (Contributor+) Arbitrary Clean-Login Option Update via 'save_post' Hook

Description

The Clean Login plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 1.20.1 due to a missing capability check on the CleanLogin_Shortcode::get_pages_with_shortcodes() function hooked to the save_post action. This makes it possible for authenticated attackers, with Contributor-level access and above, to overwrite the plugin's cl_login_url/cl_login_id/cl_register_url/cl_register_id/cl_restore_url/cl_restore_id/cl_edit_url/cl_edit_id/cl_change_password_url/cl_change_password_id options with the ID and permalink of a post they themselves authored — simply by embedding the plugin's shortcodes in their own post content.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

hornero Clean Login

Default version status: unaffected

  • 0 to ≤ 1.20.1affected

References