{"id":"CVE-2021-47905","aliases":["EUVD-2026-4276","GHSA-wj7p-g6rj-6gf9"],"status":"published","title":"MyBB Delete Account Plugin 1.4 - Cross-Site Scripting","description":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00247,"percentile":0.1617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-01-23T16:47:44Z","modified":"2026-06-17T04:18:43Z","products":[{"vendor":"mybb","product":"delete_account"},{"vendor":"vintagedaddyo","product":"mybb delete account plugin"}],"references":[{"url":"https://www.exploit-db.com/exploits/49500","tags":["exploit","Exploit","VDB Entry"]},{"url":"https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account/","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/mybb-delete-account-plugin-cross-site-scripting","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47905"},{"url":"https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account"},{"url":"https://github.com/advisories/GHSA-wj7p-g6rj-6gf9"}],"sources":{"cve":[{"id":"CVE-2021-47905","title":"MyBB Delete Account Plugin 1.4 - Cross-Site Scripting","description":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.","status":"published","published":"2026-01-23T16:47:44.014Z","modified":"2026-01-23T21:47:23.266Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:56.308189Z"}],"euvd":[{"id":"EUVD-2026-4276","description":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.","status":"published","published":"2026-01-23T16:47:44Z","modified":"2026-01-23T21:47:23Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:47.68467Z"}],"ghsa":[{"id":"GHSA-wj7p-g6rj-6gf9","title":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account...","description":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.","status":"published","published":"2026-01-23T18:31:29Z","modified":"2026-01-23T18:31:36Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:53.055975Z"}],"nvd":[{"id":"CVE-2021-47905","description":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.","status":"published","published":"2026-01-23T17:16:04.18Z","modified":"2026-06-17T04:18:43.84Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}