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CVE-2018-25249

MEDIUM CVSS 4.0: 5.1 EPSS 0.03%
Updated Apr 10, 2026
Mybb
Parameter Value
CVSS 5.1 (MEDIUM)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Mybb
Public PoC Yes

MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.

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
Passive
Minimal interaction

Impact Assessment

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

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Mybb My_Arcade
cpe:2.3:a:mybb:my_arcade:1.3:*:*:*:*:mybb:*:*