# CVE-2026-119503: Welcart Welcart e-Commerce XSS in usc-e-shop plugin

Source: https://junglewise.ai/threats/cve-2026-119503-improper-neutralization-of-script-related-html-tags-in-a-web  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-09. Updated: 2026-11-09  
License: CC BY 4.0 with a link back

CVE-2026-119503 · Severity: medium · CVSS 6.5 · Published 2026-11-09

The Welcart e-Commerce WordPress plugin (usc-e-shop) contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages without authentication. An attacker could inject unwanted content such as ads, scams, or malware links that would be displayed to visitors of affected websites.

Technologies: [Welcart e-Commerce](https://junglewise.ai/threats/technologies/welcart-e-commerce-1). Vendors: [Welcart](https://junglewise.ai/threats/vendors/welcart).

## Quick answers

**Is CVE-2026-119503 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-119503 being exploited in the wild.

**How severe is CVE-2026-119503?** Medium severity, with a CVSS score of 6.5, published 9 November 2026.

**Which products and versions are affected?** Welcart e-Commerce through 2.12.6.

**Is there a fix for CVE-2026-119503?** Yes: fixed in 2.12.7. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-119503 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-119503?** Check whether you run Welcart e-Commerce at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 2.12.7

## Technical details

This is a basic XSS vulnerability (improper neutralization of script-related HTML tags) in the Welcart e-Commerce usc-e-shop WordPress plugin. The vulnerability allows unauthenticated attackers to inject content via a network vector, enabling code injection and website defacement. A patch is available in version 2.12.7.

## Affected products

- Welcart Welcart e-Commerce through 2.12.6

## Timeline

- 2026-11-09: disclosed
- 2026-11-07: patched: Version 2.12.7 released

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/usc-e-shop/vulnerability/wordpress-welcart-e-commerce-plugin-2-12-6-content-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/usc-e-shop/vulnerability/wordpress-welcart-e-commerce-plugin-2-12-6-content-injection-vulnerability?_s_id=cve)