CVE-2026-89264

MEDIUM CVSS 4.0: 5.3 EPSS 0.21%
Updated Sep 11, 2026
MoguBlog
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-639 (Authorization Bypass)
Vendor MoguBlog
Public PoC No

MoguBlog through 6.2 fails to validate the comment author identity in the POST /web/comment/add endpoint, allowing authenticated users to post comments attributed to any other user. Attackers can supply arbitrary userUid values in the request body to impersonate other accounts including administrators.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)