CVE-2019-25371
mediumpriority · track · 0EPSS 0.003 · 21 %ileEUUSEPSS · scored 2026-10-28
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation in the host parameter. Attackers can submit crafted POST requests to the diag_ping.php endpoint with script payloads in the host parameter to execute arbitrary JavaScript in users' browsers.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.2–6.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- https://forum.opnsense.org/index.php?topic=11469.0cnnvd
- https://opnsense.orgcnnvd
- https://opnsense.org/download/Patchcnnvd
- https://www.exploit-db.com/exploits/46351cnnvd
- https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-diagpingphpcnnvd
- https://forum.opnsense.org/index.php?topic=11469.0enisa_euvd
- https://opnsense.orgenisa_euvd
- https://www.exploit-db.com/exploits/46351enisa_euvd
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