Unknown · Revive Adserver · CVE-2021-22871
**Name of the Vulnerable Software and Affected Versions**
Revive Adserver versions prior to 5.1.0
**Description**
The issue allows any user with a manager account to store possibly malicious content in the URL website property. This content is then displayed unsanitized in the affiliate-preview.php tag generation screen, leading to a persistent cross-site scripting (XSS) vulnerability.
**Recommendations**
For versions prior to 5.1.0, update to version 5.1.0 or later to resolve the issue.