VulnerabilityModified

CVE-2023-24810

Due to insufficient validation of the redirect URL during `miauth` authentication in Misskey, arbitrary JavaScript can be executed when a user allows the link.

MEDIUM 6.1EPSS 0.45%

Does this matter?

Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.

Description

Misskey is an open source, decentralized social media platform. Due to insufficient validation of the redirect URL during `miauth` authentication in Misskey, arbitrary JavaScript can be executed when a user allows the link. All versions below 13.3.1 (including 12.x) are affected. This has been fixed in version 13.3.1. Users are advised to upgrade. Users unable to upgrade should not allow authentication of untrusted apps.

CVSS 3.1: 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.45% probability · 38th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: misskey/misskey
Source: security-advisories@github.com

References

https://github.com/misskey-dev/misskey/security/advisories/GHSA-cc6r-chgr-8r5mVendor Advisory
https://github.com/misskey-dev/misskey/security/advisories/GHSA-cc6r-chgr-8r5mVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.