What is CVE-2025-11699?

CVE-2025-11699 is a high-severity vulnerability in Nopcommerce, classified under Insufficient Session Expiration. CVSS score: 7.1/10. Published 2025-12-01.

How severe is CVE-2025-11699?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Nopcommerce

CVE-2025-11699

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.

EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N.

Affected products

Nopcommerce — versions 4.80.3
Nopsolutions Nopcommerce — versions 4.80.3, 4.10

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

cret@cert.org (Mailing List, Third Party Advisory)
cret@cert.org (Issue Tracking)
cret@cert.org (Release Notes)
af854a3a-2127-422b-91ae-364da2661108 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2025-11699?: CVE-2025-11699 is a high-severity vulnerability in Nopcommerce, classified under Insufficient Session Expiration. CVSS score: 7.1/10. Published 2025-12-01.
How severe is CVE-2025-11699?: High severity. CVSS v3 base score is 7.1 out of 10.