CVE-2025-11699

7.1 High

nopCommerce v4.70 and prior, and version 4.80.3, does not invalidate session cookies after logout or session termination, allowing an attacker who has a a valid session cookie access to privileged endpoints (such as /admin) even after the legitimate user has logged out, enabling session hijacking. Any version above 4.70 that is not 4.80.3 fixes the vulnerability.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: Low
Integrity: High
Availability: None

Exploit likelihood

0.44%Up 0.4 points since Dec 2, 2025

What each source reports

CVE List Score used 7.1

CVE-2025-11699

Record: CVE-2025-11699
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Weakness: CWE-613
Updated: 2026-11-02

EUVDEUVD-2025-199992 7.1

Record: EUVD-2025-199992
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hgx3-j7fm-pjm3 7.1

nopCommerce v4.70 and prior, and version 4.80.3, does not invalidate session cookies after logout...

Record: GHSA-hgx3-j7fm-pjm3
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Weakness: CWE-613
Updated: 2026-11-02

NVD 7.1

Record: CVE-2025-11699
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Weakness: CWE-613
Updated: 2026-11-02

OSV 7.1

CVE-2025-11699

Record: CVE-2025-11699
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Updated: 2026-11-02

Affected products

History

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

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

In short

CVE-2025-11699 is a high vulnerability (CVSS 7.1) in Nopcommerce, published December 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.