Description
/panel/uploads in Subrion CMS 4.2.1 allows remote attackers to execute arbitrary PHP code via a .pht or .phar file, because the .htaccess file omits these.
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.
Metasploit 1 module
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Intelliants Subrion CMS 4.2.1 - Authenticated File Upload Bypass to RCE
exploit/multi/http/subrion_cms_file_upload_rce
Exploit-DB 1
- Subrion CMS 4.2.1 - Arbitrary File Upload EDB-49876 · webapps · May 17, 2021
GitHub 3 repositories
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Swammers8/SubrionCMS-4.2.1-File-upload-RCE-auth- ★ 8 · Apr 29, 2022
This is an edited version of the CVE-2018-19422 exploit to fix an small but annoying issue I had.
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hev0x/CVE-2018-19422-SubrionCMS-RCE ★ 8 · Jun 14, 2021
CVE-2018-19422 Authenticated Remote Code Execution
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Drew-Alleman/CVE-2018-19422 ★ 0 · Apr 4, 2025
Subrion File Upload Bypass to RCE and Custom File Upload (Authenticated) POC
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | intelliants/subrion | < 4.2.2 | 4.2.2 | GHSA-73xj-v6gc-g5p5 |