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OpenAdvisories
Medium · 6.4 CVE-2026-34819 EUVD-2026-18320GHSA-h6h2-h2qj-ww49

Endian Firewall /cgi-bin/openvpnclient.cgi REMARK Stored Cross-Site Scripting

Published Apr 2, 2026 · Updated May 25, 2026 · Assigned by VulnCheck

Description

Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the REMARK parameter to /cgi-bin/openvpnclient.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.

Affected products

VendorProductAffectedFixed
Endian Endian Firewall ≤ 3.3.25 —

References