CVE-2025-50891

Adform Site Tracking 1.1 allows attackers to inject HTML or execute arbitrary code via cookie...

7.2 High

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).

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.46%Up 0.4 points since Aug 20, 2025

What each source reports

CVE List Score used 7.2

Record: CVE-2025-50891
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-79, CWE-77
Updated: 2026-11-02

EUVDEUVD-2025-28377 7.2

Record: EUVD-2025-28377
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-87jv-7r2h-c6wf 6.5

Adform Site Tracking 1.1 allows attackers to inject HTML or execute arbitrary code via cookie...

Adform Site Tracking 1.1 allows attackers to inject HTML or execute arbitrary code via cookie hijacking.

Record: GHSA-87jv-7r2h-c6wf
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-77, CWE-79
Updated: 2026-11-02

NVD 7.2

Record: CVE-2025-50891
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-79, CWE-77
Updated: 2026-11-02

Affected products

adform server-side backend for site tracking

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-50891 is a high vulnerability (CVSS 7.2) in Adform Server-side Backend For Site Tracking, published August 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.