CVE-2019-25420

Comodo Dome Firewall 2.7.0 Reflected Cross-Site Scripting via snat

MEDIUM 5.1EPSS 0.5%

Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input to the snat endpoint. Attackers can send POST requests with JavaScript payloads in the port or snat_to_ip parameters to execute arbitrary scripts in users' browsers.

Affected: Comodo · Comodo Dome Firewall
CVSS v4.0 VULNCHECK: 5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULNCHECK: 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.46% chance of exploitation in the next 30 days, 39th percentile
Published: 2026-02-19
Updated: 2026-05-24

Proof-of-concept exploits (1)

https://www.exploit-db.com/exploits/46408

Security advisories

https://www.vulncheck.com/advisories/comodo-dome-firewall-reflected-cross-site-scripting-…
https://cdome.comodo.com/firewall

References

CVE Record
NVD entry