# CVE-2026-111031: Welcart e-Commerce open redirect via usces_referer parameter

Source: https://junglewise.ai/threats/cve-2026-111031-the-welcart-e-commerce-wordpress-plugin-before-2-12-6-does-not  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-28. Updated: 2026-10-28  
License: CC BY 4.0 with a link back

CVE-2026-111031 · Severity: info · Published 2026-10-28

The Welcart e-Commerce WordPress plugin fails to validate URLs before redirecting users, allowing attackers to send users to arbitrary external websites. An unauthenticated attacker can craft a malicious link to redirect site visitors to phishing pages or other malicious domains, potentially leading to credential theft or malware distribution.

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-2026-111031 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-111031 being exploited in the wild.

**How severe is CVE-2026-111031?** Informational severity, published 28 October 2026.

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

**Is there a fix for CVE-2026-111031?** Yes: fixed in 2.12.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-111031 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-111031?** 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 2.12.6

## Technical details

The plugin does not validate user-supplied URL input in the usces_referer parameter before using it in a redirect operation, creating an open redirect vulnerability. An unauthenticated attacker can exploit this via a crafted URL to redirect users to arbitrary external websites. The vulnerability is classified as CWE-601 (URL Redirection to Untrusted Site).

## Affected products

- Welcart e-Commerce before 2.12.6

## Timeline

- 2026-10-26: disclosed
- 2026-10-28: advisory

## References

- [https://wpscan.com/vulnerability/7cb3af79-5295-4458-843b-b38e1c3fde25/](https://wpscan.com/vulnerability/7cb3af79-5295-4458-843b-b38e1c3fde25/)

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