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 paramete

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.

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)
• https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-proxy-endpoint(Third Party Advisory)