CVE-2025-50891

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

19/08/2025

Last modified:

18/09/2025

Description

The server-side backend for Adform Site Tracking before 2025-08-28 allows attackers to inject HTML or execute arbitrary code via cookie hijacking. NOTE: a customer does not need to take any action to update locally installed software (such as Adform Site Tracking 1.1).

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

7.20

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

https://github.com/nikolas-ch/CVEs/blob/main/AdformTracking_ReflectedXSS/AdformTracking_ReflectedXSS.txt
https://github.com/nikolas-ch/CVEs/tree/main/AdformTracking_ReflectedXSS
https://www.adformhelp.com/hc/en-us/categories/9738364537233-Adform-Site-Tracking