WordPress CSV Import-Export 1.1 Cross Site Scripting

`Product: CSV Import-Export Wordpress Plugin - https://wordpress.org/plugins/csv-import-export/  
Vendor: eSparkBiz  
Tested version: 1.1  
CVE ID: CVE-2017-17753  
  
** CVE description **  
Multiple cross-site scripting (XSS) vulnerabilities in the esb-csv-import-export plugin through 1.1 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) cie_type, (2) cie_import, (3) cie_update, or (4) cie_ignore parameter to includes/admin/views/esb-cie-import-export-page.php.  
  
** Technical details **  
In the conditional block at includes/admin/views/esb-cie-import-export-page.php:21, the cie_type, cie_import, cie_update and cie_ignore HTTP GET parameters are echoed back to user without proper sanitization.  
  
Vulnerable code:  
https://plugins.trac.wordpress.org/browser/csv-import-export/trunk/includes/admin/views/esb-cie-import-export-page.php#L21  
  
** Proof of Concept **  
http://<host>/wordpress/wp-admin/admin.php?page=esb-cie-import-export-page&cie_ignore=<script>alert(document.cookie);</script>  
  
** Solution **  
No fix available yet.  
  
** Timeline **  
12/10/2017: vendor contacted; no reply  
24/10/2017: vendor contacted; no reply  
31/10/2017: vendor contacted; vendor asks for more details then stops replying  
05/12/2017: vendor contacted; no reply  
19/12/2017: report published  
  
** Credits **  
Vulnerability discovered by Nicolas Buzy-Debat working at Orange Cyberdefense Singapore (CERT-LEXSI).  
  
--  
Best Regards,  
  
Nicolas Buzy-Debat  
Orange Cyberdefense Singapore (CERT-LEXSI)  
  
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