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 crafted URL and execute injected JavaScript code in the context of the victim's browser. The session cookie cannot be accessed, but a number of other operations could be performed. The vulnerability is present in the admin-search.php file and can be exploited via the compact parameter.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.015 (73.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.015 · change: +0.001
Affected products
- Revive Adserver — versions 5.5.2, 6.0.0
- Revive-Adserver Revive Adserver — versions 6.0.0
Weakness classification (CWE)
References
- hackerone.com/reports/3091390 (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.