关键漏洞信息 漏洞标题 myBB Forums 1.8.26 Stored Cross-Site Scripting via Template Management 严重性 MEDIUM 日期 December 22, 2025 影响范围 myBB forums 1.8.26 CVE CVE-2023-53976 CWE CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CVSS V:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/Si:L/SA:N 描述 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. 参考链接 ExploitDB-51136 Official myBB Software Version Page 发现者 Andrey Stoykov