CVE-2018-25249

MyBB My Arcade Plugin 1.3 Persistent XSS via Comment

MEDIUM
6.4
CVSS Score
Published: April 4, 2026 at 01:51 PM UTC
Updated: July 21, 2026 at 07:29 AM UTC
2 products affected across 1 vendorMybbMy Arcade

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Severity
MEDIUM6.4
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.4MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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