#VU56453 Cross-site request forgery in Misskey - CVE-2021-39195

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Main Vulnerability Database Vulnerabilities #VU56453

#VU56453 Cross-site request forgery in Misskey - CVE-2021-39195

Published: September 10, 2021


Vulnerability identifier: #VU56453
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-39195
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Misskey
Software vendor:
Misskey Development Division

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in "Upload from URL" and remote attachment handling. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


Remediation

Install updates from vendor's website.

External links