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.
https://www.vulncheck.com/advisories/poll-survey-and-quiz-maker-plugin-by-opinion-stage-stored-xss
https://wpscan.com/vulnerability/4ed1edd6-3813-44a3-bee7-f07c1774b679/
https://wordpress.org/plugins/social-polls-by-opinionstage/
https://plugins.trac.wordpress.org/changeset/2158590/social-polls-by-opinionstage
Published: 2026-01-16
Updated: 2026-01-16
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 5.1
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
Severity: Medium
EPSS: 0.00054