Cross site scripting

2024-02-2008:15:00

PRIOn knowledge base

www.prio-n.com

openolat lms

xss vulnerability

media center

authenticated user

svg files

version 18.1.5

javascript payload

5.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

JSON

The Frentix GmbH OpenOlat LMS is affected by stored a Cross-Site Scripting (XSS) vulnerability. It is possible to upload files within the Media Center of OpenOlat version 18.1.5 (or lower) as an authenticated user without any other rights. Although the filetypes are limited, an SVG image containing an XSS payload can be uploaded. After a successful upload the file can be shared with groups of users (including admins) who can be attacked with the JavaScript payload.