Poll, Survey & Quiz Maker Plugin by Opinion Stage < 19.6.25 Stored XSS

Advisories

severity: medium
date: January 16, 2026
Affecting: Poll, Survey & Quiz Maker Plugin by Opinion Stage < 19.6.25
CVE: CVE-2019-25297
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
CVSS: 5.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
References: Plugin Vulnerabilities Disclosure w/ Exploitation Evidence & PoC
WPScan Advisory w/ Exploitation Acknowledgement
WP Changeset Patch
Wordfence Advisory
Acunetix Advisory
Poll, Survey & Quiz Maker WP Page
Credit: Plugin Vulnerabilities
Description: Poll, Survey & Quiz Maker Plugin by Opinion Stage Wordpress plugin versions prior to 19.6.25 contain a stored cross-site scripting (XSS) vulnerability via multiple parameters due to insufficient input validation and output escaping. An unauthenticated attacker can inject arbitrary script into content that executes when a victim views an affected page.