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OpenAdvisories
Medium · 6.1 CVE-2018-25247 EUVD-2018-21746GHSA-rh85-6vwm-xgq4

MyBB Like Plugin 3.0.0 Cross-Site Scripting via User Profiles

Published Apr 4, 2026 · Updated May 25, 2026 · Assigned by VulnCheck

Description

MyBB Like Plugin 3.0.0 contains a stored cross-site scripting vulnerability. Authenticated attackers can inject script payloads into post or thread subjects; when other users view a profile that displays the attacker's liked posts, the unsanitized subject is rendered, executing the script in the viewer's browser.

Affected products

VendorProductAffectedFixed
MyBB MyBB Like Plugin 3.0.0 —

References