Vulnerability Details CVE-2026-34803
Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the name parameter to /manage/qos/classes/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 6.9%
CVSS Severity
CVSS v3 Score 6.4
References
Products affected by CVE-2026-34803
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cpe:2.3:a:endian:firewall_community:1.1
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cpe:2.3:a:endian:firewall_community:2.0
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cpe:2.3:a:endian:firewall_community:2.1
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cpe:2.3:a:endian:firewall_community:2.1.1
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cpe:2.3:a:endian:firewall_community:2.1.2
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cpe:2.3:a:endian:firewall_community:2.2
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cpe:2.3:a:endian:firewall_community:2.3
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cpe:2.3:a:endian:firewall_community:2.4
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cpe:2.3:a:endian:firewall_community:2.4.1
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cpe:2.3:a:endian:firewall_community:2.5
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cpe:2.3:a:endian:firewall_community:2.5.1
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cpe:2.3:a:endian:firewall_community:2.5.2
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cpe:2.3:a:endian:firewall_community:3.0.0
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cpe:2.3:a:endian:firewall_community:3.0.5
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cpe:2.3:a:endian:firewall_community:3.2.0
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cpe:2.3:a:endian:firewall_community:3.2.1
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cpe:2.3:a:endian:firewall_community:3.2.2
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cpe:2.3:a:endian:firewall_community:3.2.4
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cpe:2.3:a:endian:firewall_community:3.2.5
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cpe:2.3:a:endian:firewall_community:3.3.0
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cpe:2.3:a:endian:firewall_community:3.3.13
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cpe:2.3:a:endian:firewall_community:3.3.15
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cpe:2.3:a:endian:firewall_community:3.3.2
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cpe:2.3:a:endian:firewall_community:3.3.23
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cpe:2.3:a:endian:firewall_community:3.3.25