XSS in Cubecart V6
CVE-2026-44376
CubeCart is an ecommerce software solution. Prior to 6.7.0, an unauthenticated Reflected XSS vulnerability exists in the CubeCart v6.x search feature. Due to a logic flaw in classes/catalogue.class.php, user input is reflected without sanitization only when a search returns exactly one product. This flaw bypasses current filters, allowing an attacker to execute malicious JavaScript in the victim's browser, leading to session hijacking, site defacement, or phishing. This vulnerability is fixed in 6.7.0.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (50.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Cubecart V6 — versions < 6.7.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-44376?
- CVE-2026-44376 is a medium-severity vulnerability in Cubecart V6, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-13.
- How severe is CVE-2026-44376?
- Medium severity. CVSS v3 base score is 6.1 out of 10.