CVE-2026-0913
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
2Description
The User Submitted Posts - Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'usp_access' shortcode in all versions up to, and including, 20260110 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Analysis
Stored cross-site scripting in the User Submitted Posts WordPress plugin through version 20260110 allows authenticated Contributor-level users to inject malicious scripts via the 'usp_access' shortcode due to inadequate input sanitization. When other users visit pages containing the injected payload, the attacker's JavaScript executes in their browsers, potentially enabling session hijacking or unauthorized actions. …
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Remediation
Within 30 days: Identify affected systems running all and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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