Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the username parameter. Attackers can send POST requests to the login endpoint with script payloads in the username field to execute arbitrary JavaScript in users' browsers.
https://www.vulncheck.com/advisories/comodo-dome-firewall-cross-site-scripting-via-login
https://www.exploit-db.com/exploits/46408
https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278
Published: 2026-02-19
Updated: 2026-02-19
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 5.1
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Severity: Medium