CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.1. See the original NVD description below for full technical details.
CVE
CVE-2026-21664
Severity
MEDIUM
CVSS
6.1
EPSS
0.16%
Original NVD Description
HackerOne community member Huynh Pham Thanh Luc (nigh7c0r3) has reported a reflected XSS vulnerability in the afr.php delivery script of Revive Adserver. An attacker can craft a specific URL that includes an HTML payload in a parameter. If a logged in administrator visits the URL, the HTML is sent to the browser and malicious scripts would be executed.
Related CVEs
Other vulnerabilities affecting the same vendor(s)