CVE-2025-39435 HIGH

CVE-2025-39435: WordPress My Marginalia plugin <= 1.0.6 - CSRF to Stored XSS vulnerability

Vendor Davidfcarr
Product My Marginalia
Weakness CWE-352 · CSRF
Published April 17, 2025
Last update May 12, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in davidfcarr My Marginalia my-marginalia allows Stored XSS.This issue affects My Marginalia: from n/a through <= 1.0.6.

Explanation of Vulnerability in Simple Terms

02Summary

My Marginalia versions 1.0.6 and earlier are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in user, performs unwanted actions on their behalf. The vulnerability affects confidentiality, integrity, and availability of the application. Users should update to a version newer than 1.0.6.

What an attacker can do

03Attacker Capabilities

Trick a logged-in user into performing unwanted actions (read data, modify settings, delete content) via a malicious webpage.

Potential impact on your site

04Site Impact

Users' accounts can be compromised to perform actions without their knowledge if they visit untrusted sites while logged in.

Conditions required to exploit

05Prerequisites

User must be logged in and visit an attacker-controlled webpage or link while authenticated.

Key dates

06Disclosure timeline

April 17, 2025 CVE published
May 12, 2026 Record updated