What is CVE-2026-119503?

CVE-2026-119503 is a medium-severity vulnerability in Welcart E-Commerce, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.5/10. Published 2026-11-09.

How severe is CVE-2026-119503?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Welcart E-Commerce

CVE-2026-119503

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Welcart Welcart e-Commerce usc-e-shop allows Code Injection.This issue affects Welcart e-Commerce: from n/a through 2.12.6.

Published 2026-11-09 · last modified 2026-11-09.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Welcart E-Commerce

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

References

patchstack.com/database/wordpress/plugin/usc-e-shop/vulnerability/wordpress-wel… (vdb-entry)

Frequently asked questions

What is CVE-2026-119503?: CVE-2026-119503 is a medium-severity vulnerability in Welcart E-Commerce, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.5/10. Published 2026-11-09.
How severe is CVE-2026-119503?: Medium severity. CVSS v3 base score is 6.5 out of 10.