CVE-2025-55123

MEDIUM
2025-11-20 [email protected]
5.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:23 vuln.today
PoC Detected
Dec 05, 2025 - 20:17 vuln.today
Public exploit code
CVE Published
Nov 20, 2025 - 20:16 nvd
MEDIUM 5.4

Tags

XSS Revive Adserver

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.

Analysis

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. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Revive-Adserver Revive Adserver.

Affected Products

Revive-Adserver Revive Adserver.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +27
POC: +20

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CVE-2025-55123 vulnerability details – vuln.today
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