OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting the passthrough_networks parameter in vpn_ipsec_settings.php. Atta

Description

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting the passthrough_networks parameter in vpn_ipsec_settings.php. Attackers can craft POST requests with JavaScript payloads in the passthrough_networks parameter to execute arbitrary code in users' browsers.

Affected Products

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-vpnipsecsettingsphp(Broken Link)