SB20240621122 - Cross-site scripting in Joplin

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2023-39517)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green

The vulnerability allows a local user to execute arbitrary script code and disclose sensitive information.

The vulnerability exists due to cross-site scripting in untrusted <map> link handling when processing a clicked link. A local user can create a specially crafted <map> link to execute arbitrary script code and disclose sensitive information.

User interaction is required to click the crafted link.

Remediation

Install update from vendor's website.

References

• https://github.com/laurent22/joplin/security/advisories/GHSA-2h88-m32f-qh5m