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.
Published: 2026-04-04
Score: 5.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Cross‑Site Scripting
Action: Apply Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 10 Apr 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Mybb my Arcade
CPEs cpe:2.3:a:mybb:my_arcade:1.3:*:*:*:*:mybb:*:*
Vendors & Products Mybb my Arcade

Tue, 07 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Mybb mybb My Arcade Plugin
Vendors & Products Mybb mybb My Arcade Plugin

Mon, 06 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 04 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
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.
Title MyBB My Arcade Plugin 1.3 Persistent XSS via Comment
First Time appeared Mybb
Mybb mybb
Weaknesses CWE-79
CPEs cpe:2.3:a:mybb:mybb:1.3:*:*:*:*:*:*:*
Vendors & Products Mybb
Mybb mybb
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Mybb My Arcade Mybb Mybb My Arcade Plugin
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-06T13:27:13.858Z

Reserved: 2026-04-04T13:23:08.958Z

Link: CVE-2018-25249

cve-icon Vulnrichment

Updated: 2026-04-06T13:27:08.097Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-04T14:16:20.860

Modified: 2026-04-10T21:20:51.960

Link: CVE-2018-25249

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-13T14:27:58Z

Weaknesses