CVE-2024-51749 Information

Description

Element is a Matrix web client built using the Matrix React SDK. Versions of Element Web and Desktop earlier than 1.11.85 do not check if thumbnails for attachments stickers and images are coherent. It is possible to add thumbnails to events trigger a file download once clicked. Fixed in element-web 1.11.85.

Reference

https://github.com/element-hq/element-web/security/advisories/GHSA-5486-384g-mcx2 https://github.com/element-hq/element-web/commit/a00c343435d633e64de2c0548217aa611c7bbef5