CVE-2026-21642

6.1 mediumEPSS 0.2%

Medium (6.1) in aquaplatform revive adserver. EPSS 0.2% chance of exploitation in the next 30 days.

HackerOne community member Patrick Lang (7yr) has reported a reflected XSS vulnerability in the `banner-acl.php` and `channel-acl.php` scripts 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.

Severity

CVSS 3.0

6.1 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-01-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

aquaplatform:revive_adserver

References

https://hackerone.com/reports/3470970

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