WordPress EKC Tournament Manager plugin <= 2.2.1 - CSRF to Arbitrary File Upload vulnerability

9.6 CVSS

Vulnerability Description

Cross-Site Request Forgery (CSRF) vulnerability in lukashuser EKC Tournament Manager ekc-tournament-manager allows Upload a Web Shell to a Web Server.This issue affects EKC Tournament Manager: from n/a through <= 2.2.1.

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:

Joshua Chan | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/ekc-tournament-manager/vulnerability/wordpress-ekc-tournament-manager-plugin-2-2-1-csrf-to-arbitrary-file-upload-vulnerability?_s_id=cve

Affected Vendor

lukashuser

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Affected Software

EKC Tournament Manager

Vulnerable Versions:

Timeline

Official Publish: October 31st, 2024

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:C/C:H/I:H/A:H

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