{"cve":"CVE-2021-43810","nvd":{"published":"2021-12-07T22:15:06.997","modified":"2026-06-17T04:11:29.097","status":"Modified","description":"Admidio is a free open source user management system for websites of organizations and groups. A cross-site scripting vulnerability is present in Admidio prior to version 4.0.12. The Reflected XSS vulnerability occurs because redirect.php does not properly validate the value of the url parameter. Through this vulnerability, an attacker is capable to execute malicious scripts. This issue is patched in version 4.0.12.","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/Admidio/admidio/commit/c043267d362f7813543cc2785119bf3e3e54fe21","https://github.com/Admidio/admidio/commit/fcb0609abc1d2f65bc1377866bd678e5d891404b","https://github.com/Admidio/admidio/releases/tag/v4.0.12","https://github.com/Admidio/admidio/security/advisories/GHSA-3qgf-qgc3-42hh","https://github.com/Admidio/admidio/commit/c043267d362f7813543cc2785119bf3e3e54fe21"],"products":["admidio:admidio"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-43810","score":0.05076,"percentile":0.92335,"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."]}