{"cve":"CVE-2026-34804","nvd":{"published":"2026-04-02T15:16:47.270","modified":"2026-07-24T21:10:00.143","status":"Analyzed","description":"Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the dscp parameter to /manage/qos/rules/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.","cvss_v4":{"vector":"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","score":5.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://help.endian.com/hc/en-us/sections/360004371358-Community","https://www.vulncheck.com/advisories/endian-firewall-manage-qos-rules-dscp-stored-cross-site-scripting"],"products":["endian:firewall_community"],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2026-34804","score":0.00175,"percentile":0.06916,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}