CVE-2024-50336 MEDIUM

CVE-2024-50336: matrix-js-sdk has insufficient MXC URI validation which allows client-side path traversal

Vendor Matrix-Org
Product matrix-js-sdk
Weakness CWE-22 · Path traversal
Published November 12, 2024
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

What the vulnerability does

01Description

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver. Fixed in matrix-js-sdk 34.11.1.

Key dates

02Disclosure timeline

November 12, 2024 CVE published
November 3, 2025 Record updated