XSS in Comodo Dome Firewall
CVE-2019-25426
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Comodo Dome Firewall — versions 2.7.0
- Comodo Dome Firewall
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46408 (Exploit, Third Party Advisory, exploit)
- cdome.comodo.com/firewall/ (Product, product)
- secure.comodo.com/home/purchase.php (product, Not Applicable)
- www.vulncheck.com/advisories/comodo-dome-firewall-cross-site-scripting-via-dnsm… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25426?
- CVE-2019-25426 is a medium-severity vulnerability in Comodo Dome Firewall, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-19.
- How severe is CVE-2019-25426?
- Medium severity. CVSS v3 base score is 6.1 out of 10.