Cart vulnerability

Joomla VirtueMart Shopping-Cart 4.0.12 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by manipulating the keyword parameter. Attackers can craft malicious URLs containing script payloads in the keyword parameter of the product-variants endpoint to execute arbitrary JavaScript in victim browsers and steal session tokens or credentials.

Published 9 Apr 2026Updated 26 Sep 20264 sources
CVSS 5.1

What happened

Joomla VirtueMart Shopping-Cart 4.0.12 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by manipulating the keyword parameter. Attackers can craft malicious URLs containing script payloads in the keyword parameter of the product-variants endpoint to execute arbitrary JavaScript in victim browsers and steal session tokens or credentials.

Affected versions

Cart: 4.0.12 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.