{"cve":"CVE-2021-24833","nvd":{"published":"2021-11-17T11:15:08.103","modified":"2026-06-17T03:40:59.107","status":"Modified","description":"The YOP Poll WordPress plugin before 6.3.1 is affected by a stored Cross-Site Scripting vulnerability, which exists in the Admin preview module where a user with a role as low as author is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to insufficient validation of question and answer text parameters in Create Poll module.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://plugins.trac.wordpress.org/changeset/2605368","https://wpscan.com/vulnerability/7cb39087-fbab-463d-9592-003e3fca6d34","https://www.fortiguard.com/zeroday/FG-VD-21-052","https://plugins.trac.wordpress.org/changeset/2605368","https://wpscan.com/vulnerability/7cb39087-fbab-463d-9592-003e3fca6d34"],"products":["yop-poll:yop_poll"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-24833","score":0.01124,"percentile":0.66269,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}