CVE-2023-53976 — myBB Forums 1.8.26 Stored Cross-Site Scripting via Template Management
myBB Forums 1.8.26 contains a stored cross-site scripting vulnerability in the template management system that allows authenticated administrators to inject malicious scripts wh…
Published: 2025-12-22 · CVSS: 5.1 · CVSS 4.0
myBB Forums 1.8.26 contains a stored cross-site scripting vulnerability in the template management system that allows authenticated administrators to inject malicious scripts when creating new templates. Attackers can exploit this vulnerability by inserting script payloads in the template title field when adding new templates through the 'Templates and Style' > 'Templates' > 'Manage Templates' > 'Global Templates' interface, causing arbitrary JavaScript to execute when the template is viewed.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7