WordPress User Spam Remover plugin <= 1.1 - Sensitive Data Exposure vulnerability

5.3 CVSS

Vulnerability Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Joel User Spam Remover user-spam-remover allows Retrieve Embedded Sensitive Data.This issue affects User Spam Remover: 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:

Nabil Irawan | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/user-spam-remover/vulnerability/wordpress-user-spam-remover-plugin-1-1-sensitive-data-exposure-vulnerability?_s_id=cve

Affected Vendor

Joel

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Affected Software

User Spam Remover

Vulnerable Versions:

Timeline

Official Publish: December 9th, 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:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-497

MITRE ATT&CK TTPs

T1592 Gather Victim Host Information

Reconnaissance

T1082 System Information Discovery

Discovery

T1005 Data from Local System

Collection

T1552 Unsecured Credentials

Credential Access

T1041 Exfiltration Over C2 Channel

Exfiltration