CVE-2025-52666
LowCVSS 2.7Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.
Risk Assessment
The risk is that administrative access to the console may be lost, potentially preventing management of the ad server and causing service disruption.
Recommendation
It is recommended to update Revive Adserver to a patched version and to avoid entering format characters in settings until updated.
Other vulnerabilities in Revive Adserver
See all- CVE-2026-34916High
A missing validation of user input when saving delivery limitations in Revive Adserver 6.0.6 and earlier could allow a low-privileged user to inject malicious PHP code into the compiledlimitations field on the database, resulting in its execution during banner delivery.
- CVE-2016-9456High
Revive Adserver before 3.2.3 suffers from Cross-Site Request Forgery (CSRF). The Revive Adserver team conducted a security audit of the admin interface scripts to identify and fix other potential CSRF vulnerabilities.
- CVE-2016-9455High
Revive Adserver before 3.2.3 suffers from Cross-Site Request Forgery (CSRF). Several scripts in Revive Adserver's user interface are vulnerable to these attacks.
- CVE-2016-9127High
Revive Adserver before 3.2.3 suffers from Cross-Site Request Forgery (CSRF) in the password recovery form. This vulnerability could be exploited to send a large number of password recovery emails to registered users.
- CVE-2015-7372High
Directory traversal vulnerability in delivery-dev/al.php in Revive Adserver before 3.2.2 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the layerstyle parameter.
- CVE-2015-7369High
The default Flash cross-domain policy (crossdomain.xml) in Revive Adserver before version 3.2.2 does not restrict access from other domains, allowing remote attackers to conduct cross-domain attacks via unspecified vectors.
- CVE-2015-7367High
Revive Adserver before 3.2.2 allows remote attackers to perform unspecified actions by leveraging an unexpired session after the user has been deleted or unlinked.
- CVE-2016-9470Critical
Revive Adserver versions before 3.2.5 and 4.0.0 are vulnerable to Reflected File Download (RFD) attacks. Attackers can exploit the vulnerability in `www/delivery/asyncspc.php` to remotely download a file onto the victim's machine.
- CVE-2016-9125Critical
Revive Adserver before 3.2.3 suffers from session fixation, allowing arbitrary session identifiers to be forced. Additionally, it does not invalidate the existing session upon successful authentication, which could enable an attacker to steal an authenticated session.
- CVE-2016-9124Critical
Revive Adserver before version 3.2.3 suffers from improper restriction of excessive authentication attempts. The login page is vulnerable to password-guessing attacks, which may lead to unauthorized access.
Original NVD description (English source)
Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

