PT-2026-30370 · Mybb · Last User Threads

Published 2026-04-04 · Updated 2026-04-04 · CVE-2018-25250

NVD

CVSS v3.1

6.1

Medium

Base vector

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

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.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-25250

Affected Products

Last User Threads

References · 4

• 🔥 https://exploit-db.com/exploits/44339 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-25250 · Security Note
• https://community.mybb.com/mods.php?action=view&pid=910 · Note
• https://vulncheck.com/advisories/mybb-last-user-s-threads-in-profile-plugin-persistent-xss · Note