CVE-2026-34821
MEDIUMEndian Firewall /manage/vpnauthentication/user/ remark Stored Cross-Site Scripting
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Release Notes release-notes
Endian Release Notes
https://help.endian.com/hc/en-us/sections/360004371358-Community
Third Party Advisory third-party-advisory
VulnCheck Advisory: Endian Firewall /manage/vpnauthentication/user/ remark Stored Cross-Site Scripting
https://www.vulncheck.com/advisories/endian-firewall-manage-vpnauthentication-user-remark-stored-cross-site-scripting
Scores
CVSS v3
6.4
EPSS
0.0016
EPSS Percentile
5.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
Endian/Endian Firewall
3.3.25
endian/firewall_community
< 3.3.25
Published
Apr 02, 2026
Tracked Since
Apr 02, 2026