SVGMagic <= 1.1 - Stored XSS via SVG Upload

2024-05-2400:00:00

Rayhan Ramdhany Hanaputra

svgmagic 1.1

stored xss

svg upload

media page

author role

malicious payload

github

access

exploit

5.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

JSON

Description The plugin does not sanitize SVG file contents, which enables users with at least the author role to SVG with malicious JavaScript to conduct Stored XSS attacks.

1. Create a SVG file with the malicious payload within it; Example SVG file: https://github.com/codesecure-org/xss-svg/blob/main/1.svg?short_path=97b023c
2. As a user with the Author role, go to the "Media" page and upload the SVG file
3. Access the uploaded file directly
4. You will see the XSS