# CVE-2017-9303: Laravel does not properly constrain the host portion of a password-reset URL

Source: https://junglewise.ai/threats/cve-2017-9303-laravel-does-not-properly-constrain-the-host-portion-of-a-password  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-17  
License: CC BY 4.0 with a link back

CVE-2017-9303 · Severity: low · CVSS 3 · Published 2022-05-17

Laravel does not properly constrain the host portion of a password-reset URL

Technologies: [illuminate/auth (Packagist)](https://junglewise.ai/threats/technologies/illuminate-auth), [laravel/framework (Packagist)](https://junglewise.ai/threats/technologies/packagist-laravel-framework), [laravel/laravel (Packagist)](https://junglewise.ai/threats/technologies/laravel-laravel). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2017-9303 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2017-9303 being exploited in the wild.

**How severe is CVE-2017-9303?** Low severity, with a CVSS score of 3, published 17 May 2022.

**Which products and versions are affected?** illuminate/auth (Packagist) ECOSYSTEM:introduced=5.3.0,last_affected=5.3.31; laravel/framework (Packagist) ECOSYSTEM:introduced=5.3.0,last_affected=5.3.31; laravel/laravel (Packagist) ECOSYSTEM:introduced=5.4.0,fixed=5.4.22.

**Is there a fix for CVE-2017-9303?** Yes. laravel/laravel (Packagist): upgrade to 5.4.22 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2017-9303?** Check whether you run illuminate/auth (Packagist), laravel/framework (Packagist) or laravel/laravel (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

- laravel/laravel (Packagist): upgrade to 5.4.22 or later

  ```sh
  composer require laravel/laravel:^5.4.22
  ```


## Affected products

- illuminate/auth (Packagist) ECOSYSTEM:introduced=5.3.0,last_affected=5.3.31
- laravel/framework (Packagist) ECOSYSTEM:introduced=5.3.0,last_affected=5.3.31
- laravel/laravel (Packagist) ECOSYSTEM:introduced=5.4.0,fixed=5.4.22

## Identifiers

- CVE-2017-9303
- GHSA-rc8x-jrrc-frfv

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