CVE-2024-40643 Information

Description

Joplin is a free open source note taking and to-do application. Joplin fails to take into account that <\ followed by a non letter character will not be considered html. As such it is possible to do an XSS by putting an \illegal\ tag within a tag.

Reference

https://github.com/laurent22/joplin/security/advisories/GHSA-g796-3g6g-jmmc https://github.com/laurent22/joplin/commit/b220413a9b5ed55fb1f565ac786a5c231da8bc87