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Medium · 6.1 CVE-2018-25349 EUVD-2018-21869GHSA-7m67-452p-94vw

userSpice 4.3.24 Cross-Site Scripting via X-Forwarded-For Header

Published May 23, 2026 · Updated May 27, 2026 · Assigned by VulnCheck

Description

userSpice 4.3.24 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the X-Forwarded-For HTTP header. Attackers can send crafted requests to the backup.php endpoint with XSS payloads in the X-Forwarded-For header that execute when administrators visit the audit log page.

Affected products

VendorProductAffectedFixed
UserSpice userSpice 4.3.24 —

References