CVE-2023-53977 — myBB Forums 1.8.26 Stored Cross-Site Scripting via Forum Management
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 …
Published: 2025-12-22 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7