Medium severity · published Feb 19, 2026
CVE-2019-25426
Comodo Dome Firewall 2.7.0 Cross-Site Scripting via dnsmasq
6.1
CVSS
0.4%
EPSS
No
On KEV
Description
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 dnsmasq endpoint. Attackers can send POST requests with script payloads in the TRANSPARENT_SOURCE_BYPASS or TRANSPARENT_DESTINATION_BYPASS parameters to execute arbitrary JavaScript in users' browsers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CD
Comodo Dome Firewall · Comodo
2.7.0 · source: vendor
DF
Dome Firewall · Comodo
through 2.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-25426
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-25426
Product
https://cdome.comodo.com/firewall/
Not Applicable
https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278
Exploit
https://www.exploit-db.com/exploits/46408
Third Party Advisory
https://www.vulncheck.com/advisories/comodo-dome-firewall-cross-site-scripting-via-dnsmasq
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CVE-2019-25428
Comodo Dome Firewall 2.7.0 Cross-Site Scripting via openvpn_users
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CVE-2019-25427
Comodo Dome Firewall 2.7.0 Reflected Cross-Site Scripting via antispyware
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