CVE-2026-115425 json
Multiple cross-site scripting (XSS) in OPNsense
published 14d ago modified 14d ago also EUVD-2026-109656
- cvss
- 5.6
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
Multiple cross site scripting (XSS) vulnerabilities affect OPNsense firewall vesrion 26.7.1_1 and earlier allows low privileged attacker to execute Javascript in the context of another user visiting a specific page or clicking on a specifically crafted link.
Patch / fix
- OPNsense OPNsense firewall 26.7.7
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- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 14d ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:P/S:P/AU:Y/R:I/V:C/RE:M/U:Amber |
| CNA | 4.0 | 5.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:P/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:P/AU:Y/R:I/V:C/RE:M/U:Amber |
Affected products
- OPNsense OPNsense firewall
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/opnsense/core/security/advisories/GHSA-9h93-hhcx-957c
vendor-advisory
-
digitalcanion.com
/security-research/#ghsa-9h93-hhcx-957c
third-party-advisory
Sources
- CVE List CVE-2026-115425
- NVD CVE-2026-115425
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.