CVE-2018-25249

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.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.25% chance of exploitation in the next 30 days, 17th percentile

Published

2026-04-04

Updated

2026-05-24

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/44186

References

• CVE Record
• NVD entry

Related

• CVE-2018-25248
• CVE-2018-25250
• CVE-2018-25247
• CVE-2018-25251
• CVE-2018-25246
• CVE-2018-25252