Specialk User Submitted Posts – Enable Users to Submit Posts from the Front End vulnerabilities
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Published CVEs affecting Specialk User Submitted Posts – Enable Users to Submit Posts from the Front End: 3 record(s), with affected versions and fixes.
CVE-2026-2126
Medium · 5.3
CWE-863 Feb 18, 2026
User Submitted Posts <= 20260113 - Incorrect Authorization to Unauthenticated Category Restriction Bypass via 'user-submitted-category' Parameter
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.
CVE-2026-0800
High · 7.2
CWE-79 Jan 24, 2026
User Submitted Posts – Enable Users to Submit Posts from the Front End <= 20251210 - Unauthenticated Stored Cross-Site Scripting via Custom Field
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 custom fields in all versions up to, and including, 20251210 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2026-0913
Medium · 6.4
CWE-79 Jan 16, 2026
User Submitted Posts <= 20260110 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'usp_access' Shortcode
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.