Append Content

Append Content has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched as of September 2026. Their average CVSS score is 4.3, and the most serious one scores 4.3 out of 10.

The most common weakness is Cross-Site Request Forgery (CSRF), behind 1 of the records (100%).

The one issue recorded for Append Content has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2025.

All of these findings were reported by Kévin Mosbahi (Mika). Append Content is installed on roughly 40 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 0.

Strategic Overview

Avg CVSSMedium
4.3/ 10
Patch Coverage0%
Open

1

Fixed

0

Get automatic notifications for all Append Content vulnerabilities before they are exploited.

Most severe open issueCVSS 4.3CVE-2025-31780

Append Content <= 2.1.1 - Cross-Site Request Forgery to Settings Update

Read the full analysis

Vulnerability Records

1 records
Plugin Profile
Latestv2.1.1

Append Content

Andy Stratton

Author

Andy Stratton

5.0(1)
100/100
Last Updated
2023-07-31 (3y ago)
Active Installs
40+
Downloads
6,379
Requires WP
5.3+
Requires PHP
7.4+
Tested up to
WP 0
Created
2009-08-05 (17y ago)

Ever wanted to add a snippet of text below the content of your posts/pages? Maybe you re-purpose blog posts as press releases and need a standard EOE statement. Maybe you just want to be able to drop a sales pitch or call to action at the end of all your blog posts. Now you can. Choose to append your snippet to just posts, just pages, or all. You can also turn off the feature on your blog post listings on your home page or your front (content) page.

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