# CVE-2021-43836: PHP file inclusion in the Sulu admin panel

Source: https://junglewise.ai/threats/cve-2021-43836-php-file-inclusion-in-the-sulu-admin-panel  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-12-15  
License: CC BY 4.0 with a link back

CVE-2021-43836 · Severity: low · CVSS 3.1 · Published 2021-12-15

PHP file inclusion in the Sulu admin panel

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

## Quick answers

**Is CVE-2021-43836 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-43836 being exploited in the wild.

**How severe is CVE-2021-43836?** Low severity, with a CVSS score of 3.1, published 15 December 2021.

**Which products and versions are affected?** sulu/sulu (Packagist) ECOSYSTEM:introduced=0,fixed=1.6.44.

**Is there a fix for CVE-2021-43836?** Yes. sulu/sulu (Packagist): upgrade to 1.6.44 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-43836?** Check whether you run sulu/sulu (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

- sulu/sulu (Packagist): upgrade to 1.6.44 or later

  ```sh
  composer require sulu/sulu:^1.6.44
  ```


## Affected products

- sulu/sulu (Packagist) ECOSYSTEM:introduced=0,fixed=1.6.44

## Identifiers

- CVE-2021-43836
- GHSA-vx6j-pjrh-vgjh

## Related threats

- [Sulu is an open-source PHP content management system based on the Symfony framework. Prior to 2.6.25 and 3.0.8, the affected Sulu 2.6 and 3.](https://junglewise.ai/threats/cve-2026-92692-sulu-jcr-sql2-injection-in-category-filter)
- [Sulu stored XSS via media download inline-disposition override](https://junglewise.ai/threats/cve-2026-82396-sulu-stored-xss-via-media-download-inline-disposition-override)
- [Sulu media move authorization bypass (IDOR)](https://junglewise.ai/threats/cve-2026-82395-sulu-media-move-authorization-bypass-idor)
- [Sulu authorization bypass in preview link generation](https://junglewise.ai/threats/cve-2026-82394-sulu-authorization-bypass-in-preview-link-generation)
- [Sulu CMS weak cryptographic hash in password reset and API keys](https://junglewise.ai/threats/cve-2026-45701-sulu-cms-weak-cryptographic-hash-in-password-reset-and-api-keys)