What’s Vulnerable › Vulnerabilities

CVE-2019-25294: html5_snmp 1.11 - 'Remark' Persistent Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-06 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• lolypop55 html5_snmp: all versions

References

• https://github.com/lolypop55/html5_snmp
• https://www.exploit-db.com/exploits/47587
• https://www.vulncheck.com/advisories/htmlsnmp-remark-persistent-cross-site-scripting

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