CVE-2025-50891

medium

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).

References

https://www.adformhelp.com/hc/en-us/categories/9738364537233-Adform-Site-Tracking

https://github.com/nikolas-ch/CVEs/tree/main/AdformTracking_ReflectedXSS

https://github.com/nikolas-ch/CVEs/blob/main/AdformTracking_ReflectedXSS/AdformTracking_ReflectedXSS.txt

Details

Source: Mitre, NVD

Published: 2025-08-19

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00047