Security Advisory

CVE-2023-53977

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-12-22 21:35:35

Last updated 2026-04-07 14:08:17

Assigner VulnCheck

CVSS score 5.1

State PUBLISHED

Description

myBB Forums 1.8.26 contains a stored cross-site scripting vulnerability in the forum management system that allows authenticated administrators to inject malicious scripts when creating new forums. Attackers can exploit this vulnerability by inserting script payloads in the forum title field when adding new forums through the 'Forums and Posts' > 'Forum Management' interface, causing arbitrary JavaScript to execute when the forum listing is viewed.

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