CVE-2026-50742: revive-adserver revive_adserver Cross-site Scripting
Vulnerability summary
CVE-2026-50742 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in revive-adserver revive_adserver. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.5% of scored vulnerabilities.
Timeline
- 26-06-2026PublishedVulnerability first disclosed.
- 26-06-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.4MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.34% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Revive1 product
- adserver≤ 6.0.7
Revive-adserver1 product
- revive_adserver< 6.0.8
2 vendors · 2 products