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Vulnerability record · CVE-2019-25294 · published 6 February 2026

CVE-2019-25294: Lolypop55 html5 snmp cross-site scripting vulnerability

LLolypop55 · Html5 Snmp

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.

5.1 CVSS 4.0 Medium EPSS 0.22% · top 89.2% CWE-79 · Cross-site scripting
5.1CVSS 4.0 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/lolypop55/html5_snmp Product
https://www.exploit-db.com/exploits/47587 ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/htmlsnmp-remark-persistent-cross-site-scripting Broken Link

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Source: NIST National Vulnerability Database (record CVE-2019-25294), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.