PT-2026-3236 · WordPress · User Submitted Posts – Enable Users To Submit Posts From The Front End

Specialk · Published 2026-01-16 · Updated 2026-01-16 · CVE-2026-0913

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress versions prior to 20260111

Description The software is susceptible to Stored Cross-Site Scripting through the 'usp access' shortcode due to inadequate input sanitization and output escaping of user-provided attributes. This allows authenticated attackers with Contributor-level access or higher to inject malicious web scripts into pages. These scripts will then execute whenever a user accesses the compromised page.

Recommendations Update the User Submitted Posts – Enable Users to Submit Posts from the Front End plugin to version 20260111 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-0913

Affected Products

User Submitted Posts – Enable Users To Submit Posts From The Front End

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-0913 · Security Note
• https://twitter.com/VulmonFeeds/status/2012176470764879913 · Twitter Post
• https://twitter.com/CVEnew/status/2012126431585685971 · Twitter Post
• https://plugins.trac.wordpress.org/changeset/3439027 · Note
• https://plugins.trac.wordpress.org/browser/user-submitted-posts/tags/20251210/library/shortcode-access.php#L20 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/85bf7a1b-3c54-40c9-8f19-fcb9dd478a0e?source=cve · Note