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Description

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, there is an unauthenticated reflected cross-site scripting (XSS) issue in the public product return form in Vvveb CMS. The customer_order_id POST parameter is inserted into the Order %s not found! error message when the order lookup fails, and that message is rendered in the frontend template without HTML escaping. As a result, attacker-controlled HTML/JavaScript executes in the submitting user's browser. This vulnerability is fixed in 1.0.8.3.

PUBLISHED Reserved 2026-05-12 | Published 2026-05-15 | Updated 2026-05-15 | Assigner GitHub_M




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 1.0.8.3
affected

References

github.com/.../Vvveb/security/advisories/GHSA-3xwm-8f6m-cfc6 exploit

github.com/.../Vvveb/security/advisories/GHSA-3xwm-8f6m-cfc6

cve.org (CVE-2026-45622)

nvd.nist.gov (CVE-2026-45622)

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