CVE-2021-22889: Revive-Adserver Revive Adserver

Medium severity, CVSS 6.1. EPSS: 30.5% chance of exploitation in the next 30 days.

Revive Adserver before v5.2.0 is vulnerable to a reflected XSS vulnerability in the `statsBreakdown` parameter of stats.php (and possibly other scripts) due to single quotes not being escaped. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and pressing a certain key combination to execute injected JavaScript code.

Affected products

Published 2021-03-25. Last modified 2026-06-17.