CVE-2026-2126
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2Tags
Description
The User Submitted Posts - Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Incorrect Authorization in all versions up to, and including, 20260113. This is due to the `usp_get_submitted_category()` function accepting user-submitted category IDs from the POST body without validating them against the admin-configured allowed categories stored in `usp_options['categories']`. This makes it possible for unauthenticated attackers to assign submitted posts to arbitrary categories, including restricted ones, by crafting a direct POST request with manipulated `user-submitted-category[]` values, bypassing the frontend category restrictions.
Analysis
Unauthenticated attackers can manipulate post category assignments in the WordPress User Submitted Posts plugin through missing authorization checks on user-supplied category IDs. This allows bypassing frontend category restrictions to assign posts to arbitrary or restricted categories via crafted POST requests. …
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Remediation
Within 30 days: Identify affected systems running for WordPress is vulnerable to Incorrect Authorization in al and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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