Fediverse Embeds

Fediverse Embeds has 5 disclosed vulnerabilities in the WordSec catalog, reported between 2024 and 2026; all 5 are fixed as of September 2026. Their average CVSS score is 7.7, and the most serious one scores 9.8 out of 10. Severity breakdown: 1 critical and 4 high. 2026 was the busiest year with 4 disclosures.

The most common weakness is Server-Side Request Forgery (SSRF), behind 4 of the records (80%). Other recurring categories include Unrestricted Upload Of File With Dangerous Type.

Every one of the 5 issues recorded for Fediverse Embeds has a vendor fix available, so running the current release closes all known holes.

2 independent researchers contributed these findings, most of them (4) reported by 0xBassia. Fediverse Embeds is installed on roughly 60 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.1.

Strategic Overview

Avg CVSSHigh

7.7/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all Fediverse Embeds vulnerabilities before they are exploited.

Highest severity on recordCVSS 9.8CVE-2024-52476

Fediverse Embeds <= 1.5.3 - Unauthenticated Arbitrary File Upload

Read the full analysis

Vulnerability Records

5 records


2026-06-18 00:00	Fediverse Embeds <= 1.5.7 - Unauthenticated Server-Side Request Forgery Fediverse Embeds <= 1.5.7	`CVE-2026-12517`	7.2 High	0xBassia	Yes
2026-06-18 00:00	Fediverse Embeds <= 1.5.7 - Unauthenticated Server-Side Request Forgery Fediverse Embeds <= 1.5.7	`CVE-2026-12516`	7.2 High	0xBassia	Yes
2026-06-12 00:00	Fediverse Embeds <= 1.5.7 - Unauthenticated Server-Side Request Forgery Fediverse Embeds <= 1.5.7	`CVE-2026-46697`	7.2 High	0xBassia	Yes
2026-06-12 00:00	Fediverse Embeds <= 1.5.7 - Unauthenticated Server-Side Request Forgery Fediverse Embeds <= 1.5.7	`CVE-2026-46698`	7.2 High	0xBassia	Yes
2024-11-19 00:00	Fediverse Embeds <= 1.5.3 - Unauthenticated Arbitrary File Upload Fediverse Embeds <= 1.5.3	`CVE-2024-52476`	9.8 Critical	stealthcopter	Yes

Showing 1–5 of 5 reports

Latestv1.7.1

Fediverse Embeds

Author

Stefan Bohacek

5.0(1)

100/100

Last Updated

2026-09-06 (7d ago)

Active Installs

60+

Downloads

5,061

Requires WP

5.9+

Requires PHP

7.4+

Tested up to

WP 7.1

Created

2023-11-15 (3y ago)

This plugin lets you optimize and customize embedded posts from fediverse platform that support this feature. Please visit the GitHub repo for instructions on how to embed posts and for general FAQ and troubleshooting tips. Learn more | View source Privacy notice When embedding a post from a fediverse server, the content of the post needs to be fetched from that server, which is then stored in your site’s database. Based on the way you configure the plugin, additional requests will be made periodically to refresh the cached data. When making requests to a third party server in general, the server will receive and may record the IP address of the server hosting your website. Please consult the privacy details and terms of use of each server you are embedding content from. (Example for mastodon.social: About Mastodon, Privacy policy) Development The complete source code for this plugin, including unminified JavaScript and SCSS files, is publicly available on GitHub: https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin To build the plugin from source you will need Node.js (v18+) and npm. Run the following commands from the plugin root: npm install npm run dev The build process uses Gulp with Browserify and Babel to bundle and minify the JavaScript files located in the src directory, and compiles SCSS to CSS. The compiled output is placed in the dist directory.

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