CVE Vulnerability

CVE-2021-39169

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.

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/misskey-dev/misskey/security/advisories/GHSA-pmmv-jwqh-f5ww Patch Third Party Advisory
https://github.com/misskey-dev/misskey/commit/ec203f7f795766f76b55fecc9248168c1cdf6c99 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*
Information

Published : 2021-08-27 01:15

Updated : 2021-09-08 01:14

NVD link : CVE-2021-39169

Mitre link : CVE-2021-39169

Products Affected
No products.
CWE
CWE-79