CVE-2025-64239 MEDIUM

CVE-2025-64239: WordPress RTL Tester plugin <= 1.2 - Cross Site Request Forgery (CSRF) vulnerability

Vendor Yoav Farhi

Product RTL Tester

Weakness CWE-352 · CSRF

Published December 16, 2025

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

4.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in Yoav Farhi RTL Tester rtl-tester allows Cross Site Request Forgery.This issue affects RTL Tester: from n/a through <= 1.2.

Explanation of Vulnerability in Simple Terms

02Summary

RTL Tester versions 1.2 and earlier contain a cross-site request forgery (CSRF) vulnerability. An attacker can craft a malicious webpage that, when visited by a logged-in user, performs unwanted actions within RTL Tester without the user's knowledge or consent. The vulnerability requires user interaction—the victim must visit the attacker's page while authenticated.

What an attacker can do

03Attacker Capabilities

Perform unwanted actions in RTL Tester on behalf of a logged-in user without their knowledge.

Potential impact on your site

04Site Impact

Users' RTL Tester accounts can be manipulated to perform unintended actions if they visit malicious links while logged in.

Conditions required to exploit

05Prerequisites

User must be logged into RTL Tester and visit an attacker-controlled webpage.

Key dates

06Disclosure timeline

December 16, 2025 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-64239 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/352.html

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