Vulnerability · Published Feb 20, 2024 · Assigned by SEC-VLab

CVE-2024-25974Stored Cross-Site Scripting (XSS) within the Media Center

Medium 5.4

In plain English

A medium-severity improper input validation in OpenOlat LMS from Frentix GmbH. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.5%top 53.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Frentix GmbH	OpenOlat LMS	0 – through 18.1.5

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

https://r.sec-consult.com/openolat third-party-advisory
http://seclists.org/fulldisclosure/2024/Feb/23