XSS vulnerability using dialog
CVE-2021-39169

8HIGH

Key Information:

Vendor

Misskey-dev

Status
Misskey
Vendor
CVE Published:
27 August 2021

What is 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.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

misskey < 12.51.0

References

https://github.com/misskey-dev/misskey/security/advisorie...
x_refsource_CONFIRM
https://github.com/misskey-dev/misskey/commit/ec203f7f795...
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.