WordPress
CVE-2026-2126
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
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. The vulnerability affects all versions up to 20260113 with no patch currently available.
Technical ContextAI
This vulnerability (CWE-863: Incorrect Authorization) affects Front End (WordPress plugin). 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 arbitr
Affected ProductsAI
Vendor: WordPress. Product: Front End (WordPress plugin). Versions: up to 20260113..
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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