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Transposh WordPress Translation 1.0.8.1 Cross Site Request Forgery

🗓️ 29 Jul 2022 00:00:00Reported by Julien Ahrens, rcesecurity.comType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 327 Views

Transposh WordPress Translation 1.0.8.1 Cross Site Request Forger

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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 Request Forgery [CWE-253]  
Date found: 2021-08-19  
Date published: 2022-07-22  
CVSSv3 Score: 5.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L)  
CVE: CVE-2021-24912  
  
  
2. CREDITS  
==========  
This vulnerability was discovered and researched by Julien Ahrens from  
RCE Security.  
  
  
3. VERSIONS AFFECTED  
====================  
Transposh WordPress Translation 1.0.8.1 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 WordPress plugin lacks anti-CSRF protection on a lot of its functionalities  
such as the following WordPress ajax actions:  
  
tp_backup - Initiates a new backup  
tp_reset - Resets the plugin's configuration  
tp_cleanup - Deletes automated translations  
tp_dedup - Deletes duplicates  
tp_maint - Fixes internal errors  
tp_translate_all - Triggers an auto-translation of all entries  
tp_translation - Adds a new translation for a given item  
  
Since there is no anti-CSRF token protecting these functionalities, they are  
vulnerable to Cross-Site Request Forgery attacks allowing an attacker to perform  
a variety of attacks as mentioned above.  
  
To successfully exploit this vulnerability, a user with the right to access the  
Transposh "Utilities" or the right to add new translations must be tricked into  
visiting an arbitrary website while having an authenticated session in the  
application.  
  
  
6. PROOF OF CONCEPT  
===================  
An exemplary exploit to reset the plugin's configuration:  
  
<html>  
<body>  
<form action="http://[host]/wp-admin/admin-ajax.php" method="POST">  
<input type="hidden" name="action" value="tp_reset" />  
<input type="submit" value="Submit request" />  
</form>  
</body>  
</html>  
  
  
7. SOLUTION  
===========  
None. Remove the plugin to prevent exploitation.  
  
  
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-2021-24912  
2022-05-22: Sent request for status update on the fix  
2022-05-24: Vendor states that there is no updated planned so far  
2022-07-22: Public disclosure  
  
  
9. REFERENCES  
=============  
https://github.com/MrTuxracer/advisories  
`

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