CVE-2018-25309: Dragonexpert Recent Threads On Index

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

MyBB Recent threads 17.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating threads with crafted subject lines. Attackers can create threads with script tags in the subject parameter to execute arbitrary JavaScript in the browsers of all users viewing the index page.

Affected products

• Dragonexpert Recent Threads On Index: version 17.0 only

Published 2026-04-29. Last modified 2026-06-17.