WordPress Custom Widget Classes plugin <= 1.1 - CSRF to Stored XSS vulnerability

7.1 CVSS

Vulnerability Description

Cross-Site Request Forgery (CSRF) vulnerability in Jamsheer K Custom Widget Classes custom-widget-classes allows Cross Site Request Forgery.This issue affects Custom Widget Classes: from n/a through <= 1.1.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

SOPROBRO | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/custom-widget-classes/vulnerability/wordpress-custom-widget-classes-plugin-1-1-csrf-to-stored-xss-vulnerability?_s_id=cve

Affected Vendor

Jamsheer K

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Affected Software

Custom Widget Classes

Vulnerable Versions:

Timeline

Official Publish: January 16th, 2025

Last Modified: May 11th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-352

MITRE ATT&CK TTPs

T1566.002 Spearphishing Link

Initial Access

T1204.001 Malicious Link

Execution

T1098 Account Manipulation

Persistence

T1565.001 Stored Data Manipulation

Impact