CVE-2025-52666

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.

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.

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