Is CVE-2025-55123 actively exploited?

CVE-2025-55123 has no public evidence of in-the-wild exploitation as of 2025-12-05.

What is the CVSS score for CVE-2025-55123?

CVE-2025-55123 has a CVSS score of 5.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2025-55123?

Patch guidance is available from revive-adserver security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-55123.

Which products are affected by CVE-2025-55123?

1 product: revive-adserver revive adserver.

CVE-2025-55123 - remediation guidance & executive summary

Description

Improper neutralization of input in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes manager accounts to be able to craft XSS attacks to their own advertiser users.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: REVIVE-ADSERVER
Published: 11/20/2025
Last Modified: 12/5/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-55123

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary