What is CVE-2025-27208?

CVE-2025-27208 is a medium-severity vulnerability in Revive Adserver, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-10-31.

How severe is CVE-2025-27208?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Revive Adserver

CVE-2025-27208

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Revive Adserver version 5.5.2. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically craft…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.014 (69.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Revive Adserver — versions 5.5.2, 6.0.0
Revive-adserver Revive_adserver — versions 6.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support@hackerone.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2025-27208?: CVE-2025-27208 is a medium-severity vulnerability in Revive Adserver, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-10-31.
How severe is CVE-2025-27208?: Medium severity. CVSS v3 base score is 6.1 out of 10.