CVE-2025-66094 MEDIUM

CVE-2025-66094: WordPress Yada Wiki plugin <= 3.5 - Cross Site Scripting (XSS) vulnerability

Vendor Dmccan
Product Yada Wiki
Weakness CWE-79 · XSS
Published December 30, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in dmccan Yada Wiki yada-wiki allows Stored XSS.This issue affects Yada Wiki: from n/a through <= 3.5.

Explanation of Vulnerability in Simple Terms

02Summary

Yada Wiki versions 3.5 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level access can craft a request that, when visited by another user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in other users' browsers to steal sessions or perform unauthorized actions.

Potential impact on your site

04Site Impact

Users' sessions and data are at risk if they interact with content created by low-privilege attackers; consider restricting user input or upgrading Yada Wiki.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and the victim must visit a page containing the attacker's malicious payload.

Key dates

06Disclosure timeline

December 30, 2025 CVE published
April 28, 2026 Record updated