Auth bypass in Uscnanbu Welcart E-Commerce

CVE-2025-12979

The Welcart e-Commerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'usces_export' action in all versions up to, and including, 2.11.24. This makes it possible for unauthenticated attackers to access configured payment credentials (ex. PayPal api secret) , as well as business contact details, mail templates, and other operational settings tied to the store.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-12979: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-12979?
CVE-2025-12979 is a medium-severity vulnerability in Uscnanbu Welcart E-Commerce, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-11-13.
How severe is CVE-2025-12979?
Medium severity. CVSS v3 base score is 5.3 out of 10.