PT-2026-40804 · Cubecart · Cubecart

Published 2026-05-13 · Updated 2026-05-13 · CVE-2026-39428

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions CubeCart versions prior to 6.6.0

Description A Stored Cross-Site Scripting (XSS) issue exists where an attacker with administrative privileges can inject malicious JavaScript payloads into multiple fields during the creation or modification of a product. These payloads are stored in the database and executed when a user, such as a customer or another administrator, views the affected product pages, potentially leading to session hijacking or unauthorized actions.

Recommendations Update to version 6.6.0.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-39428

Affected Products

Cubecart

References · 3

• 🔥 https://github.com/cubecart/v6/security/advisories/GHSA-gvxc-5v7r-272m · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-39428 · Security Note
• https://twitter.com/CVEnew/status/2054709217421115783 · Twitter Post