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Vulnerability · Published Jun 26, 2026 · Assigned by hackerone

CVE-2026-50742

Medium 4.4

In plain English

A medium-severity cross-site scripting in Adserver from Revive. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.0)4.4Medium
Exploit odds (30 days)0.3%top 72.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 were detected. Whether the XSS payload is executed when an administrator uses the affected maintenance tools is not entirely under the attacker's control.

Affected products (as reported)

VendorProductVersions
Revive Adserver 0 – through 6.0.7

Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

References