CVE-2025-31780 MEDIUM

CVE-2025-31780: WordPress Append Content plugin <= 2.1.1 - CSRF to Settings Change vulnerability

Vendor Andy Stratton
Product Append Content
Weakness CWE-862 · Missing authorization
Published April 1, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Andy Stratton Append Content append-content allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Append Content: from n/a through <= 2.1.1.

Explanation of Vulnerability in Simple Terms

02Summary

Append Content through version 2.1.1 lacks proper authorization checks, allowing unauthenticated attackers to modify site content and cause service disruptions. The vulnerability requires no special access or user interaction. Site administrators should update to a version newer than 2.1.1 immediately.

What an attacker can do

03Attacker Capabilities

Modify site content and disrupt service availability without authentication.

Potential impact on your site

04Site Impact

Unauthorized users can alter published content and cause the site to become unavailable.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

April 1, 2025 CVE published
April 28, 2026 Record updated