What is CVE-2025-52667?

CVE-2025-52667 is a medium-severity vulnerability in Revive Adserver, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-20.

How severe is CVE-2025-52667?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Revive Adserver

CVE-2025-52667

Missing JSON Content-Type header in a script in Revive Adserver 6.0.1 and 5.5.2 and earlier versions causes a stored XSS attack to be possible for a logged in manager user.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (28.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Revive Adserver — versions 6, 5, 6.0.2
Revive-adserver Revive_adserver

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support@hackerone.com (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2025-52667?: CVE-2025-52667 is a medium-severity vulnerability in Revive Adserver, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-20.
How severe is CVE-2025-52667?: Medium severity. CVSS v3 base score is 5.4 out of 10.