CVE-2026-34821mediumCWE-79

CVE-2026-34821: medium-severity vulnerability in Endian Firewall

Endian Firewall /manage/vpnauthentication/user/ remark Stored Cross-Site Scripting

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.1epss 0.2%
Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the remark parameter to /manage/vpnauthentication/user/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
Endian · Endian Firewall
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