CVE-2021-24563 — Frontend Uploader <= 1.3.2 - Unauthenticated Stored Cross-Site Scripting

Description

The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly

Affected products

Vendor	Product	Affected	Fixed
—	Frontend Uploader	1.3.2 – ≤ 1.3.2	—

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

WordPress Plugin Frontend Uploader 1.3.2 - Stored Cross Site Scripting (XSS) (Unauthenticated) EDB-50655 · webapps · Jan 12, 2022

GitHub 1 repository

V35HR4J/CVE-2021-24563 ★ 1 · Oct 5, 2021

The plugin does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when …

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.