{"id":"CVE-2020-23837","aliases":["EUVD-2020-16575","GHSA-529g-gxp3-7xg6"],"status":"published","title":"A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple...","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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00818,"percentile":0.57472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2020-09-25T03:53:35Z","modified":"2026-06-17T03:05:00Z","products":[{"vendor":"multi_user_project","product":"multi_user"}],"references":[{"url":"http://get-simple.info/extend/plugin/multi-user/133/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/48745","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23837"},{"url":"https://github.com/advisories/GHSA-529g-gxp3-7xg6"}],"sources":{"cve":[{"id":"CVE-2020-23837","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.","status":"published","published":"2020-09-25T03:53:35Z","modified":"2024-08-04T15:05:11.335Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-16575","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.","status":"published","published":"2020-09-25T03:53:35Z","modified":"2024-08-04T15:05:11Z","updated_at":"2026-11-03T03:07:21.209139Z"}],"ghsa":[{"id":"GHSA-529g-gxp3-7xg6","title":"A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple...","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.","status":"published","published":"2022-05-24T17:29:34Z","modified":"2023-01-29T05:04:10Z","updated_at":"2026-11-02T14:45:29.424402Z"}],"nvd":[{"id":"CVE-2020-23837","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.","status":"published","published":"2020-09-25T04:23:03.917Z","modified":"2026-06-17T03:05:00.287Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}