What is CVE-2025-55126?

CVE-2025-55126 is a medium-severity vulnerability in Aquaplatform Revive Adserver, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-11-20.

How severe is CVE-2025-55126?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Aquaplatform Revive Adserver

CVE-2025-55126

HackerOne community member Dang Hung Vi (vidang04) has reported a stored XSS vulnerability involving the navigation box at the top of advertiser-related pages, with campaign names being the vector for the stored XSS

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-11-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Aquaplatform Revive Adserver
Revive Adserver — versions 6, 6.0.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

hackerone.com/reports/3411750 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-55126?: CVE-2025-55126 is a medium-severity vulnerability in Aquaplatform Revive Adserver, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-11-20.
How severe is CVE-2025-55126?: Medium severity. CVSS v3 base score is 6.5 out of 10.