What’s Vulnerable › Vulnerabilities

CVE-2026-39428: CubeCart: Stored Cross-Site Scripting (XSS)

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-13 · updated 2026-06-17
• Weakness: CWE-79

Description

CubeCart is an ecommerce software solution. Prior to 6.6.0, a Stored Cross-Site Scripting (XSS) vulnerability exists in CubeCart v6.x. 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 whenever a user (customer or another administrator) views the affected product pages, which could lead to session hijacking or unauthorized actions. This vulnerability is fixed in 6.6.0.

Affected products

• cubecart v6: before 6.6.0

References

• https://github.com/cubecart/v6/security/advisories/GHSA-gvxc-5v7r-272m
• https://github.com/cubecart/v6/security/advisories/GHSA-gvxc-5v7r-272m

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