CVE-2026-50742
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Stored XSS in Revive Adserver Maintenance Tools

Publication date: 2026-06-26

Last updated on: 2026-06-26

Assigner: HackerOne

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.
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Meta Information
Published
2026-06-26
Last Modified
2026-06-26
Generated
2026-06-27
AI Q&A
2026-06-26
EPSS Evaluated
2026-06-26
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
revive_adserver revive_adserver 6.0.7
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a stored Cross-Site Scripting (XSS) issue found in the maintenance-acl-check.php and maintenance-banners-check.php tools of Revive Adserver version 6.0.7.

It occurs because entity names are displayed without proper escaping when inconsistencies are detected, allowing malicious scripts to be stored and potentially executed.

However, whether the malicious script (XSS payload) is executed depends on the administrator using the affected maintenance tools, and this execution is not fully under the attacker's control.

Impact Analysis

This vulnerability can impact you by allowing an attacker to inject malicious scripts that may execute in the context of an administrator using the affected maintenance tools.

Such execution could lead to limited confidentiality and integrity impacts, as indicated by the CVSS score, potentially allowing attackers to perform actions with some privileges or access sensitive information.

However, the attack requires the administrator to interact with the affected tools, and the attack complexity is high with low privileges and required user interaction.

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