{"cve":"CVE-2021-25984","nvd":{"published":"2021-11-16T10:15:07.117","modified":"2026-06-17T03:42:43.850","status":"Modified","description":"In Factor (App Framework & Headless CMS) forum plugin, versions v1.3.3 to v1.8.30, are vulnerable to stored Cross-Site Scripting (XSS) at the “post reply” section. An unauthenticated attacker can execute malicious JavaScript code and steal the session cookies.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/FactorJS/factor/blob/v1.8.30/%40plugins/plugin-forum/topic-reply.vue#L119","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25984","https://github.com/FactorJS/factor/blob/v1.8.30/%40plugins/plugin-forum/topic-reply.vue#L119","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25984"],"products":["darwin:factor"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-25984","score":0.00714,"percentile":0.53691,"date":"2026-10-31"},"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."]}