WordPress Ultimate Security Checker plugin <= 4.2 - Cross Site Request Forgery (CSRF) to Security Rescan vulnerability

4.3 CVSS

Vulnerability Description

Cross-Site Request Forgery (CSRF) vulnerability in bsndev Ultimate Security Checker ultimate-security-checker allows Cross Site Request Forgery.This issue affects Ultimate Security Checker: from n/a through <= 4.2.

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:

Nguyen Xuan Chien | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/ultimate-security-checker/vulnerability/wordpress-ultimate-security-checker-plugin-4-2-cross-site-request-forgery-csrf-to-security-rescan-vulnerability?_s_id=cve

Affected Vendor

bsndev

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Affected Software

Ultimate Security Checker

Vulnerable Versions:

Timeline

Official Publish: March 28th, 2025

Last Modified: April 28th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

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

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