CVE-2021-39169 HIGH

CVE-2021-39169: XSS vulnerability using dialog

Vendor Misskey-Dev
Product misskey
Weakness CWE-79 · XSS
Published August 27, 2021
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

8.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Misskey is a decentralized microblogging platform. In versions of Misskey prior to 12.51.0, malicious actors can use the web client built-in dialog to display a malicious string, leading to cross-site scripting (XSS). XSS could compromise the API request token. This issue has been fixed in version 12.51.0. There are no known workarounds aside from upgrading.

Key dates

02Disclosure timeline

August 27, 2021 CVE published
August 4, 2024 Record updated