Description
An Authenticated Remote Code Exection (RCE) vulnerability exists in Xerte through 3.9 in website_code/php/import/fileupload.php by uploading a maliciously crafted PHP file though the project interface disguised as a language file to bypasses the upload filters. Attackers can manipulate the files destination by abusing path traversal in the 'mediapath' variable.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Xerte 3.9 - Remote Code Execution (RCE) (Authenticated) EDB-50795 · webapps · Mar 2, 2022
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/6daeb81d089d4a561e22f931fff1327660a7d1b5
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/1672d6f46bbd6f6d42f0903ce9a313927ae2836b#diff-27433bb0be90e431d40986f9afebe9ee2f8d1025a7f9e55c3cd7a86f1f8e3fdc
- https://riklutz.nl/2021/11/03/authenticated-file-upload-to-remote-code-execution-in-xerte/
- http://packetstormsecurity.com/files/166182/Xerte-3.9-Remote-Code-Execution.html