{"cve":"CVE-2020-23837","nvd":{"published":"2020-09-25T04:23:03.917","modified":"2026-06-17T03:05:00.287","status":"Modified","description":"A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple CMS allows remote attackers to add admin (or other) users after an authenticated admin visits a third-party site or clicks on a URL.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-352"],"references":["http://get-simple.info/extend/plugin/multi-user/133/","https://www.exploit-db.com/exploits/48745","http://get-simple.info/extend/plugin/multi-user/133/","https://www.exploit-db.com/exploits/48745"],"products":["multi_user_project:multi_user"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-23837","score":0.00818,"percentile":0.57172,"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."]}