OPNsense 19.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input to the category parameter. Attackers can

Description

OPNsense 19.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input to the category parameter. Attackers can send POST requests to firewall_rules_edit.php with script payloads in the category field to execute arbitrary JavaScript in the browsers of other users accessing firewall rule pages.

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-stored-xss-via-firewallruleseditphp(Broken Link)