What is CVE-2026-50742?

CVE-2026-50742 is a medium-severity vulnerability in Revive Adserver, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-26.

How severe is CVE-2026-50742?

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

XSS in Revive Adserver

CVE-2026-50742

A stored XSS vulnerabilities exists in the `maintenance-acl-check.php` and `maintenance-banners-check.php` tools of Revive Adserver 6.0.7. The issue was caused by entity names being displayed without proper escaping when inconsistencies we…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.5th 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 0
Revive-adserver Revive_adserver

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-50742?: CVE-2026-50742 is a medium-severity vulnerability in Revive Adserver, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-26.
How severe is CVE-2026-50742?: Medium severity. CVSS v3 base score is 5.4 out of 10.