CVE-2025-52666: revive adserver — Exploit

Description

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.

Is your site exposed to CVE-2025-52666?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

2.7

LOW

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-134 CWE-134

Affected Products

Vendor	Product	Versions
revive-adserver	revive_adserver	< 5.5.2
revive-adserver	revive_adserver	6.0.0 — 6.0.1

References

Exploits

https://hackerone.com/reports/3399218 https://hackerone.com/reports/3399218

Frequently Asked Questions

What is CVE-2025-52666? +

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. It has a CVSS v3.1 base score of 2.7 (LOW).

How severe is CVE-2025-52666? +

CVE-2025-52666 has a CVSS v3.1 score of 2.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-52666? +

CVE-2025-52666 affects products from revive-adserver, specifically: revive_adserver. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-52666? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-18461

Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core Libraries) allows Format String Injection. This issue affects Connext …

CVE-2026-6241

An authenticated format string vulnerability is present in the ONVIF AddScopes in Tapo C520WS v2, where user-controlled input is improperly …

CVE-2026-10828

A format string vulnerability has been found in the "alias" parameter of the Serial Param configuration page in the NPort …

CVE-2026-6242

An authenticated format string vulnerability exists in the ONVIF Subscribe service in Tapo C520WS v2 due to improper handling of …

CVE-2012-10055

ComSndFTP FTP Server version 1.3.7 Beta contains a format string vulnerability in its handling of the USER command. By sending …

CVE-2011-10029

Solar FTP Server fails to properly handle format strings passed to the USER command. When a specially crafted string containing …

CVE-2025-52666