CVE-2026-34819 is a stored cross-site scripting (XSS) vulnerability in Endian Firewall version 3.3.25 and prior, allowing an authenticated attacker to inject arbitrary JavaScript via the REMARK parameter. Rated Medium severity (CVSS 6.4), this flaw has a low attack complexity and can be exploited over the network by a low-privileged user, leading to script execution when other users view the affected page. The potential impact includes limited loss of confidentiality and integrity. Currently, there is no public exploit code, evidence of active exploitation, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.3.25CPE matchmatch criteria | cpe:2.3:a:endian:firewall_community:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.