What’s Vulnerable › Vulnerabilities

CVE-2022-40277

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-09-30 · updated 2026-06-17
• Weakness: CWE-20

Description

Joplin version 2.8.8 allows an external attacker to execute arbitrary commands remotely on any client that opens a link in a malicious markdown file, via Joplin. This is possible because the application does not properly validate the schema/protocol of existing links in the markdown file before passing them to the 'shell.openExternal' function.

Affected products

• Joplin: 2.8.8

References

• https://fluidattacks.com/advisories/skrillex/
• https://github.com/laurent22/joplin
• https://fluidattacks.com/advisories/skrillex/
• https://github.com/laurent22/joplin

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