Misskey up to 12.50.x API Request Token cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Misskey up to 12.50.x. This issue affects some unknown processing of the component API Request Token Handler. This manipulation causes cross site scripting. This vulnerability appears as CVE-2021-39169. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Misskey up to 12.50.x. Affected by this vulnerability is some unknown functionality of the component API Request Token Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was presented 08/27/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-39169. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 12.51.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Misskey

Version

• 12.0
• 12.1
• 12.2
• 12.3
• 12.4
• 12.5
• 12.6
• 12.7
• 12.8
• 12.9
• 12.10
• 12.11
• 12.12
• 12.13
• 12.14
• 12.15
• 12.16
• 12.17
• 12.18
• 12.19
• 12.20
• 12.21
• 12.22
• 12.23
• 12.24
• 12.25
• 12.26
• 12.27
• 12.28
• 12.29
• 12.30
• 12.31
• 12.32
• 12.33
• 12.34
• 12.35
• 12.36
• 12.37
• 12.38
• 12.39
• 12.40
• 12.41
• 12.42
• 12.43
• 12.44
• 12.45
• 12.46
• 12.47
• 12.48
• 12.49
• 12.50

License

• open-source

CPE 2.3info

• 🔍
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CPE 2.2info

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