CVE-2023-53978 - myBB Forums 1.8.26 Stored Cross-Site Scripting via Forum Announcements

CVE ID : CVE-2023-53978 Published : Dec. 22, 2025, 9:35 p.m. | 25 minutes ago Description : myBB Forums 1.8.26 contains a stored cross-site scripting vulnerability in the forum announcement system that allows authenticated administrators to inject malicious scripts when creating announcements. Attackers can exploit this vulnerability by inserting script payloads in the announcement title field when adding announcements through the 'Forums and Posts' > 'Forum Announcements' interface, causing arbitrary JavaScript to execute when the announcement is displayed on the forum. Severity: 6.4 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

Source: Telegram CVE Monitor