Is CVE-2025-52666 actively exploited?

CVE-2025-52666 has no public evidence of in-the-wild exploitation as of 2025-12-02.

What is the CVSS score for CVE-2025-52666?

CVE-2025-52666 has a CVSS score of 2.7 (LOW severity). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.

How do I patch CVE-2025-52666?

Patch guidance is available from revive-adserver security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-52666.

CVE-2025-52666 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-52666?

2 products: revive-adserver revive adserver, revive-adserver revive adserver.

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 Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-134

Metadata

Primary Vendor: REVIVE-ADSERVER
Published: 11/20/2025
Last Modified: 12/2/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-52666

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary