User Submitted Posts – Enable Users to Submit Posts from the Front End <= 20251210 - Unauthenticated Stored Cross-Site Scripting via Custom Field

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-0800
CVSS High (7.2)
Publicly Published January 23, 2026
Last Updated January 24, 2026
Researcher Balamurugan R
Description

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.

References

1 affected software package

Software Type Plugin
Software Slug user-submitted-posts (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 20251210
Patched Version
  • 20260110
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