Vulnerability · Published Jan 24, 2026 · Assigned by Wordfence
CVE-2026-0800User Submitted Posts – Enable Users to Submit Posts from the Front End <= 20251210 - Unauthenticated Stored Cross-Site Scripting via Custom Field
High 7.2
In plain English
A high-severity cross-site scripting in User Submitted Posts – Enable Users to Submit Posts from the Front End from specialk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| specialk | User Submitted Posts – Enable Users to Submit Posts from the Front End | 0 – through 20251210 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N