Base64 Encoder/Decoder <= 0.9.2 - Stored XSS via CSRF

2024-04-2400:00:00

Bob Matyas

wpscan.com

base64

encoder/decoder

csrf

stored xss

sanitization

escaping

attack

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

JSON

Description The plugin does not have CSRF check when updating its settings, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack

PoC

Make a logged in admin open an HTML file containing the following: