CVE-2021-39169
8.0 HIGHMisskey is a decentralized microblogging platform
Published: 2021-08-27 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 8.0 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- CWE
- CWE-79
Affected products
| Vendor | Product |
|---|---|
| misskey | misskey |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39169
- [Patch]https://github.com/misskey-dev/misskey/commit/ec203f7f795766f76b55fecc9248168c1cdf6c99
- [Patch]https://github.com/misskey-dev/misskey/security/advisories/GHSA-pmmv-jwqh-f5ww
- [Patch]https://github.com/misskey-dev/misskey/commit/ec203f7f795766f76b55fecc9248168c1cdf6c99
- [Patch]https://github.com/misskey-dev/misskey/security/advisories/GHSA-pmmv-jwqh-f5ww
Related CVEs
Same vendor
- CVE-2021-39195 — Misskey is an open source, decentralized microblogging platform (7.7 HIGH)
Same CWE
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