CVE-2026-78178

jQWidgets jqx-all.js jqxBaseFramework.extend prototype pollution

State: Published
Severity: 6.9 Medium
Published: Aug 24, 2026
Updated: Aug 27, 2026
Reserved: Aug 23, 2026

Description

A vulnerability was determined in jQWidgets up to 24.0.1. This affects the function JQXLite.extend/jqxBaseFramework.extend of the file jqwidgets/jqx-all.js. This manipulation causes improperly controlled modification of object prototype attributes. The attack can be initiated remotely. The reported GitHub issue was closed with the label "not planned".

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R	VulDB
3.0	7.3 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR	VulDB

Weaknesses

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
CWE-94 Code Injection

Affected Products

Product	Versions
jQWidgetsn/a	24.0.0Affected 24.0.1Affected

References

VDB-394562 | jQWidgets jqx-all.js jqxBaseFramework.extend prototype pollutionvdb-entrytechnical-description
VDB-394562 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-78178 | CVE Analysis and Reportthird-party-advisory
Submit #884182 | Node.js jqwidgets-framework 24.0.1 Prototype Pollutionthird-party-advisory
https://github.com/jqwidgets/jQWidgets/issues/764issue-tracking
https://github.com/jqwidgets/jQWidgets/product

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