What the vulnerability does
01Description
Unrestricted Upload of File with Dangerous Type vulnerability in Stefan Bohacek Fediverse Embeds fediverse-embeds allows Upload a Web Shell to a Web Server.This issue affects Fediverse Embeds: from n/a through <= 1.5.3.
Explanation of Vulnerability in Simple Terms
02Summary
Fediverse Embeds versions 1.5.3 and earlier allow unauthenticated attackers to upload files without restriction. An attacker can upload malicious files to the server over the network without needing any credentials or user interaction. This can lead to complete compromise of the site, including data theft, site defacement, and malware installation.
What an attacker can do
03Attacker Capabilities
Upload malicious files to the server and execute arbitrary code without authentication.
Potential impact on your site
04Site Impact
Complete site compromise: attackers can steal data, deface content, install malware, or take full control.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
December 2, 2024
CVE published
April 28, 2026
Record updated