CVE-2026-34799
MEDIUM EPSS 6.5%
Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago
5.1 CVSS 4.0
Published Apr 2, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
Description
Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the remark parameter to /manage/dnsmasq/hosts/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
6.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| endian | firewall_community | * | ≤3.3.25 |
References 2
- help.endian.com https://help.endian.com/hc/en-us/sections/360004371358-Community
- vulncheck.com https://www.vulncheck.com/advisories/endian-firewall-manage-dnsmasq-hosts-remark-stored-cross-site-scripting
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.