CVE-2019-17515: Cleantalk Spam Protection, Antispam, Firewall

Medium severity, CVSS 6.1. EPSS: 1.3% chance of exploitation in the next 30 days.

The CleanTalk cleantalk-spam-protect plugin before 5.127.4 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the from or till parameter. The component is: inc/cleantalk-users.php and inc/cleantalk-comments.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.

Affected products

• Cleantalk Spam Protection, Antispam, Firewall: before 5.127.4 (fixed in 5.127.4)

Published 2019-11-13. Last modified 2026-06-17.