Prototype Pollution Vulnerability in jQWidgets by jQWidgets
CVE-2026-78178

6.9MEDIUM

Key Information:

Vendor

jQWidgets

Status
Jqwidgets
Vendor
CVE Published:
24 August 2026

What is CVE-2026-78178?

A vulnerability was identified in jQWidgets up to version 24.0.1, related to the function JQXLite.extend within jqwidgets/jqx-all.js. This flaw allows for remote attackers to manipulate the object prototype attributes in an uncontrolled manner, potentially leading to severe impacts on application security. The issue was discussed on GitHub, but development did not proceed to address it, indicating a significant risk for users of this library.

Affected Version(s)

jQWidgets 24.0.0

jQWidgets 24.0.1

References

https://vuldb.com/vuln/394562
vdb-entrytechnical-description
https://vuldb.com/vuln/394562/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78178
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

wjm3 (VulDB User)
VulDB CNA Team
.