SB2025033121 - Origin validation error in Misskey



SB2025033121 - Origin validation error in Misskey

Published: March 31, 2025

Security Bulletin ID SB2025033121
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Origin validation error (CVE-ID: CVE-2025-25306)

CWE-ID: CWE-346 - Origin Validation Error

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to incomplete patch on CVE-2024-52591 (SB2025033119). A remote attacker can forge an object where they claim authority in the url field even if the specific ActivityPub object type require authority in the id field.


Remediation

Install update from vendor's website.