# CVE-2011-4941: Piwik (now Matomo) Vulnerable to Arbitrary Code Execution

Source: https://junglewise.ai/threats/cve-2011-4941-piwik-now-matomo-vulnerable-to-arbitrary-code-execution  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-13  
License: CC BY 4.0 with a link back

CVE-2011-4941 · Severity: medium · CVSS 4 · Published 2022-05-13

Piwik (now Matomo) Vulnerable to Arbitrary Code Execution

Technologies: [matomo/matomo (Packagist)](https://junglewise.ai/threats/technologies/matomo-matomo), [piwik/piwik (Packagist)](https://junglewise.ai/threats/technologies/piwik-piwik). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2011-4941 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2011-4941 being exploited in the wild.

**How severe is CVE-2011-4941?** Medium severity, with a CVSS score of 4, published 13 May 2022.

**Which products and versions are affected?** matomo/matomo (Packagist) ECOSYSTEM:introduced=1.2,fixed=1.5; piwik/piwik (Packagist) ECOSYSTEM:introduced=1.2,fixed=1.5.

**Is there a fix for CVE-2011-4941?** Yes. matomo/matomo (Packagist): upgrade to 1.5 or later; piwik/piwik (Packagist): upgrade to 1.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2011-4941?** Check whether you run matomo/matomo (Packagist) or piwik/piwik (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- matomo/matomo (Packagist): upgrade to 1.5 or later

  ```sh
  composer require matomo/matomo:^1.5
  ```

- piwik/piwik (Packagist): upgrade to 1.5 or later

  ```sh
  composer require piwik/piwik:^1.5
  ```


## Affected products

- matomo/matomo (Packagist) ECOSYSTEM:introduced=1.2,fixed=1.5
- piwik/piwik (Packagist) ECOSYSTEM:introduced=1.2,fixed=1.5

## Identifiers

- CVE-2011-4941
- GHSA-2qr8-h6pq-m27v

## Related threats

- [Piwik (now Matomo) Vulnerable to Cross-Site Scripting (XSS)](https://junglewise.ai/threats/cve-2013-1844-piwik-now-matomo-vulnerable-to-cross-site-scripting-xss)
- [Piwik (now Matomo) Reveals Sensitive Information by Accepting Input from `POST` Requests](https://junglewise.ai/threats/cve-2013-2633-piwik-now-matomo-reveals-sensitive-information-by-accepting-input)