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CVE-2019-25294

6.1 · MEDIUM

html5_snmp 1.11 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts through the 'Remark' parameter in add_router_operation.php.

Published Feb 6, 2026CWE-79EPSS 0.24%

Overview

CVE-2019-25294 is a medium-severity vulnerability. It was published on February 6, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

html5_snmp 1.11 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts through the 'Remark' parameter in add_router_operation.php. Attackers can craft a POST request with a script payload in the Remark field to execute arbitrary JavaScript in victim browsers when the page is loaded.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/lolypop55/html5_snmpRefwww.exploit-db.com/exploits/47587Refwww.vulncheck.com/advisories/htmlsnmp-remark-persistent-cross-site-scripting

How CyberStrike helps

Frequently asked questions

What is CVE-2019-25294?

CVE-2019-25294 is a medium-severity vulnerability. It was published on February 6, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2019-25294?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-25294?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-25294?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-25294 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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