wordpresspentest

Project 7 - WordPress Pentesting

Time spent: 2 hours spent in total

Objective: Find, analyze, recreate, and document five vulnerabilities affecting an old version of WordPress

Pentesting Report

1. (Required) WordPress <= 4.2.2 - Authenticated Stored Cross-Site Scripting (XSS)

• Summary: A stored XSS vulnerability allows users with posting priveleges to insert specially formatted HTML containing JavaScript for viewers' browsers to run.
  • Vulnerability types: Stored XSS
  • Tested in version: 4.2.2
  • Fixed in version: 4.2.3
• GIF Walkthrough:

- [X] Steps to recreate: 1. Log on account with posting capabilities 2. Add new post 3. In HTML text mode, paste this string: ]link 4. Wordpress shortcode will change this and display the following: link - [X] Affected source code: - [Link 1](https://core.trac.wordpress.org/changeset/33359) 1. (Required) WordPress 4.2-4.5.1 - MediaElement.js Reflected Cross-Site Scripting (XSS) - [X] Summary: Reflected XSS caused by insecure URL sanitization in the file flashmediaelement.swf. - Vulnerability types: Reflected XSS - Tested in version: 4.2.2 - Fixed in version: 4.5.2 - [X] GIF Walkthrough:

- [X] Steps to recreate: 1. Enable flash in Chrome 2. Navigate to this url, replacing [domain] with a valid domain name: https://[domain].com/wp-includes/js/mediaelement/flashmediaelement.swf?jsinitfunctio%gn=alert`1` - [X] Affected source code: - [Link 1](https://github.com/WordPress/WordPress/commit/a493dc0ab5819c8b831173185f1334b7c3e02e36) 1. (Required) WordPress 4.0-4.7.2 - Authenticated Stored Cross-Site Scripting (XSS) in YouTube URL Embeds - [X] Summary: - Vulnerability types: Stored XSS - Tested in version: 4.2.2 - Fixed in version: 4.7.3 - [X] GIF Walkthrough:

- [X] Steps to recreate: 1. Log on account with posting capabilities 2. Add new post 3. In HTML text mode, paste this string: [embed src='https://www.youtube.com/embed/12345\x3csvg onload=alert(document.cookie)\x3e'][/embed] - [X] Affected source code: - [Link 1](https://github.com/WordPress/WordPress/commit/419c8d97ce8df7d5004ee0b566bc5e095f0a6ca8) 1. (Optional) Vulnerability Name or ID - [ ] Summary: - Vulnerability types: - Tested in version: - Fixed in version: - [ ] GIF Walkthrough: - [ ] Steps to recreate: - [ ] Affected source code: - [Link 1](https://core.trac.wordpress.org/browser/tags/version/src/source_file.php) 1. (Optional) Vulnerability Name or ID - [ ] Summary: - Vulnerability types: - Tested in version: - Fixed in version: - [ ] GIF Walkthrough: - [ ] Steps to recreate: - [ ] Affected source code: - [Link 1](https://core.trac.wordpress.org/browser/tags/version/src/source_file.php)

Assets

List any additional assets, such as scripts or files

Resources

• WordPress Source Browser
• WordPress Developer Reference

GIFs created with LiceCap.

Notes

Describe any challenges encountered while doing the work

License

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    http://www.apache.org/licenses/LICENSE-2.0

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