CVE-2021-39169

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Published: 27/08/2021 Updated: 08/09/2021

CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8

CVSS v3 Base Score: 5.4 | Impact Score: 2.7 | Exploitability Score: 2.3

Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Misskey is a decentralized microblogging platform. In versions of Misskey before 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.

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CWE-79 https://github.com/misskey-dev/misskey/security/advisories/GHSA-pmmv-jwqh-f5ww https://github.com/misskey-dev/misskey/commit/ec203f7f795766f76b55fecc9248168c1cdf6c99 https://nvd.nist.gov

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CVE-2021-39169

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