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CVE-2021-39169

HIGH

8.0

Description

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.

CVE Details

CVSS v3.1 Score8.0

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published8/27/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

misskey:misskey

Weaknesses (CWE)

CWE-79

References

https://github.com/misskey-dev/misskey/commit/ec203f7f795766f76b55fecc9248168c1cdf6c99(security-advisories@github.com)

https://github.com/misskey-dev/misskey/security/advisories/GHSA-pmmv-jwqh-f5ww(security-advisories@github.com)

https://github.com/misskey-dev/misskey/commit/ec203f7f795766f76b55fecc9248168c1cdf6c99(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/misskey-dev/misskey/security/advisories/GHSA-pmmv-jwqh-f5ww(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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