CVE-2018-25250 MEDIUM

CVE-2018-25250: MyBB Last User's Threads in Profile Plugin 1.2 Persistent XSS

Vendor Mybb
Product MyBB Last User's Threads in Profile Plugin
Weakness CWE-79 · XSS
Published April 4, 2026
Last update May 24, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

MyBB Last User's Threads in Profile Plugin 1.2 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by crafting thread subjects with script tags. Attackers can create threads with script payloads in the subject field that execute when users visit the attacker's profile page.

Key dates

02Disclosure timeline

April 4, 2026 CVE published
May 24, 2026 Record updated