xbtitFM 4.1.18 contains an insecure file upload vulnerability that allows authenticated attackers with administrative privileges to upload and execute arbitrary PHP code through the file_hosting feature. Attackers can bypass file type restrictions by modifying the Content-Type header to image/gif, adding GIF89a magic bytes, and using alternate PHP tags to upload web shells that execute system commands.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 8.6 · xbtitfmNVD modified 2026-10-27 18:10
Affected (CPE criteria) 1
cpe:2.3:a:xbtitfm:xbtitfm:4.1.18:*:*:*:*:*:*:*
References 3
- https://www.exploit-db.com/exploits/51909 Exploit, Third Party Advisory, VDB Entry
- https://www.vulncheck.com/advisories/xbtitfm-insecure-file-upload-in-filehosting-feature Third Party Advisory
- https://xbtitfm.eu Product