How severe is CVE-2019-25427?

CVE-2019-25427 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-25427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-25427?

CVE-2019-25427 affects Comodo Dome Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-25427?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2019-25427 have an EU (EUVD) identifier?

Yes. CVE-2019-25427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19648.

When was CVE-2019-25427 published?

CVE-2019-25427 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2019-25427

CVE-2019-25427 is a medium-severity vulnerability in Comodo Dome Firewall with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2019-19648
Weakness: CWE-79
Affected product: Comodo Dome Firewall
Published: 2026-02-19
Last modified: 2026-06-17

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 antispyware endpoint. Attackers can send POST requests with JavaScript payloads in the DNSMASQ_WHITELIST or DNSMASQ_BLACKLIST parameters to execute arbitrary code in users' browsers.

Frequently asked questions

What is CVE-2019-25427?: 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 antispyware endpoint. Attackers can send POST requests with JavaScript payloads in the DNSMASQ_WHITELIST or DNSMASQ_BLACKLIST parameters to execute arbitrary code in users' browsers.
How severe is CVE-2019-25427?: CVE-2019-25427 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-25427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-25427?: CVE-2019-25427 affects Comodo Dome Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-25427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2019-25427 have an EU (EUVD) identifier?: Yes. CVE-2019-25427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19648.
When was CVE-2019-25427 published?: CVE-2019-25427 was published on 2026-02-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:comodo:dome_firewall:*:*:*:*:*:*:*:*

More vulnerabilities in Comodo Dome Firewall

CVE-2019-25422 — High (CVSS 7.2): Comodo Dome Firewall 2.7.0 contains cross-site scripting vulnerabilities that allow attackers to inject malicious…
CVE-2019-25419 — High (CVSS 7.2): Comodo Dome Firewall 2.7.0 contains a stored cross-site scripting vulnerability that allows attackers to inject…
CVE-2019-25405 — High (CVSS 7.2): Comodo Dome Firewall 2.7.0 contains a stored cross-site scripting vulnerability that allows attackers to inject…
CVE-2019-25404 — Medium (CVSS 6.4): Comodo Dome Firewall 2.7.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to…
CVE-2019-25403 — Medium (CVSS 6.4): Comodo Dome Firewall 2.7.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to…
CVE-2019-25430 — Medium (CVSS 6.1): Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated…

All CVEs affecting Comodo Dome Firewall →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →