CVE-2019-25294

Name: CVE-2019-25294
Creator: NVD / NIST
Published: 2026-02-06T17:16:10.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2019-25294 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.1/10

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:X/V:X/RE:X/U:X

EPSS Probability

0.20%

10.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Lolypop55	Html5 Snmp	All versions

References

https://github.com/lolypop55/html5_snmpProduct
https://www.exploit-db.com/exploits/47587Exploit, Third Party Advisory, VDB Entry
https://www.vulncheck.com/advisories/htmlsnmp-remark-persistent-cross-site-scriptingBroken Link

Timeline

Published: Feb 6, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-25294?

How severe is CVE-2019-25294?

CVE-2019-25294 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2019-25294?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-25294?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST