Description

The Pure Chat – Live Chat & More! plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘purechatWidgetName’ parameter in all versions up to, and including, 2.31 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.

Classification

CVE ID: CVE-2024-13736

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Products

Vendor: pure-chat

Product: Pure Chat – Live Chat & More!

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.08% (probability of being exploited)

EPSS Percentile: 20.39% (scored less or equal to compared to others)

EPSS Date: 2025-03-20 (when was this score calculated)

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/e11993c1-48fa-4e37-850d-d02e3e20d56f?source=cve
https://wordpress.org/plugins/pure-chat/#developers
https://plugins.trac.wordpress.org/browser/pure-chat/trunk/purechat.php#L149
https://plugins.trac.wordpress.org/browser/pure-chat/trunk/purechat.php#L99

Timeline