PT-2026-30369 · Mybb · My Arcade

CVE-2018-25249 · Published 2026-04-04 · Updated 2026-07-21

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions MyBB My Arcade Plugin version 1.3

Description Authenticated users can perform a persistent cross-site scripting attack by injecting malicious HTML and JavaScript payloads into the comment field of arcade game scores. These scripts execute automatically when other users view or edit the affected comment.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-25249

Affected Products

My Arcade

References · 5

• 🔥 https://exploit-db.com/exploits/44186 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-25249 · Security Note
• https://community.mybb.com/mods.php?action=view&pid=411 · Note
• https://vulncheck.com/advisories/mybb-my-arcade-plugin-persistent-xss-via-comment · Note
• https://t.me/cveNotify/208473 · Telegram Post