CVEvulnerability
CVE-2019-25375
5.1 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.1 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
Description
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the mailserver parameter. Attackers can send POST requests to the monit interface with JavaScript payloads in the mailserver parameter to execute arbitrary code in users' browsers.
Affected configurations
• opnsense opnsense 19.1
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://forum.opnsense.org/index.php?topic=11469.0 Release Notes
- https://opnsense.org Product
- https://www.exploit-db.com/exploits/46351 Exploit, Third Party Advisory, VDB Entry
- https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-monit-interface Third Party Advisory