CVE-2018-25249

MEDIUM 6.4

MyBB My Arcade Plugin 1.3 Persistent XSS via Comment

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

8th

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.

CWE	CWE-79
Vendor	mybb
Product	mybb my arcade plugin
Published	Apr 4, 2026
Last Updated	Apr 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

None

Affected Versions

MyBB / MyBB My Arcade Plugin

1.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/44186 community.mybb.com: https://community.mybb.com/mods.php?action=view&pid=411 vulncheck.com: https://www.vulncheck.com/advisories/mybb-my-arcade-plugin-persistent-xss-via-comment

Credits

0xB9