Stored Cross-Site Scripting Vulnerability in User Submitted Posts Plugin for WordPress
CVE-2026-0800

7.2HIGH

Key Information:

Vendor

WordPress
Status
User Submitted Posts – Enable Users To Submit Posts From The Front End
Vendor
CVE Published:
24 January 2026

What is CVE-2026-0800?

The User Submitted Posts plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping in custom fields. This vulnerability allows unauthenticated attackers to inject malicious web scripts. When users access the compromised pages, the injected scripts are executed, potentially leading to data compromise or site defacement. Immediate action is recommended to protect the integrity of affected sites.

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Affected Version(s)

User Submitted Posts – Enable Users to Submit Posts from the Front End * <= 20251210

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3436859/user...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Balamurugan R
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