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[FD] [CVE-2017-17753] Multiple Cross-Site Scripting (XSS) vulnerabilities in CSV Import-Export Wordpress Plugin



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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