XSS in Revive Adserver
CVE-2026-50745
A missing sanitisation vulnerability exists with user input in the stats-video.php script. The way URLs to this script were constructed did not follow best practices, and the output of the Smarty custom helper function url was neither properly encoded nor sanitised, allowing user‑supplied input to be reflected without escaping.
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: 0.004 (29.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Revive Adserver — versions 0
- Revive-Adserver Revive Adserver
Weakness classification (CWE)
References
- hackerone.com/reports/3793243 (Issue Tracking)
Frequently asked questions
- What is CVE-2026-50745?
- CVE-2026-50745 is a medium-severity vulnerability in Revive Adserver, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-26.
- How severe is CVE-2026-50745?
- Medium severity. CVSS v3 base score is 6.1 out of 10.