Medium severity6.1NVD Advisory· Published Feb 15, 2026· Updated Jun 17, 2026

CVE-2019-25376

Description

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted payloads through the ignoreLogACL parameter. Attackers can send POST requests to the proxy endpoint with JavaScript code in the ignoreLogACL parameter to execute arbitrary scripts in users' browsers.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Opnsense/Opnsense3 versions
cpe:2.3:a:opnsense:opnsense:19.1:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:opnsense:opnsense:19.1:*:*:*:*:*:*:*
- (no CPE)range: 19.1
- (no CPE)range: 19.1

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/46351nvdExploitThird Party Advisory
www.vulncheck.com/advisories/opnsense-reflected-xss-via-proxy-endpointnvdThird Party Advisory
forum.opnsense.org/index.phpnvdRelease Notes
opnsense.orgnvdProduct

News mentions

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