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.
History

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-04T16:13:58.489Z

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

Link: CVE-2018-25249

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

Modified: 2026-04-04T14:16:20.860

Link: CVE-2018-25249

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.