CVE-2026-21664

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.

PUBLISHED Reserved 2026-01-02 | Published 2026-01-20 | Updated 2026-01-21 | Assigner hackerone

Product status

References

hackerone.com/reports/3468169

cve.org (CVE-2026-21664)

nvd.nist.gov (CVE-2026-21664)

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