CVE-2026-50743 in Adserver
Summary
by MITRE • 07/20/2026
A CSRF vulnerability exists in the `zone-include.php` script in Revive Adserver 6.0.7. Linking and unlinking banners or campaigns to zones could be triggered via crafted GET or POST requests without any verification of the CSRF token, allowing an attacker to perform these actions on behalf of an authenticated administrator.
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Analysis
by VulDB Data Team • 07/20/2026
The vulnerability under discussion represents a critical cross-site request forgery flaw within Revive Adserver version 6.0.7, specifically affecting the zone-include.php script. This weakness enables attackers to manipulate banner and campaign associations with advertising zones through maliciously crafted web requests. The flaw stems from insufficient validation of anti-CSRF tokens during critical administrative operations, creating a pathway for unauthorized modifications to ad server configurations. Such vulnerabilities fall under CWE-352, which categorizes cross-site request forgery as a significant web application security issue requiring proper token validation mechanisms.
The technical implementation of this vulnerability allows an attacker to construct malicious requests that exploit the absence of CSRF protection during zone association operations. When administrators perform link or unlink actions for banners and campaigns within advertising zones, the system fails to validate that these requests originate from legitimate administrative sessions. This oversight enables attackers to leverage authenticated administrator sessions to modify campaign placements without proper authorization. The vulnerability affects the core functionality of the ad server's zone management system, potentially allowing malicious actors to redirect traffic, manipulate advertising revenue streams, or disrupt service availability.
Operationally, this CSRF vulnerability poses severe risks to ad server administrators and organizations relying on Revive Adserver for their digital advertising infrastructure. An attacker could exploit this flaw to reconfigure campaign placements, potentially redirecting high-value advertising inventory to malicious destinations or removing critical advertisements from key zones. The impact extends beyond simple configuration changes since these modifications can directly affect revenue generation, audience targeting capabilities, and overall platform integrity. The vulnerability also creates opportunities for privilege escalation attacks where an attacker might gradually gain deeper access to administrative functions through repeated exploitation attempts.
Mitigation strategies should focus on implementing robust CSRF protection mechanisms throughout the application's administrative interfaces. The most effective approach involves ensuring that all state-changing operations require proper validation of anti-CSRF tokens generated per user session. Organizations should implement strict token validation for all requests modifying zone associations, campaign placements, and other critical administrative functions within Revive Adserver. Additionally, security measures must include regular monitoring of administrative activities and implementing time-based token expiration mechanisms to reduce the window of opportunity for exploitation. The remediation process should prioritize immediate patching of affected versions and comprehensive security reviews of all administrative endpoints to prevent similar vulnerabilities from persisting in related systems. This vulnerability aligns with ATT&CK technique T1548.002 which focuses on exploiting weak session management and authentication mechanisms within web applications.