{"id":"CVE-2021-36884","aliases":["EUVD-2021-23460","GHSA-5q55-ghjj-wjrp"],"status":"published","title":"WordPress Backup Migration plugin \u003c= 1.1.5 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin \u003c= 1.1.5 versions.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0057,"percentile":0.47663,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-11-19T18:19:34Z","modified":"2026-06-17T03:59:34Z","products":[{"vendor":"backupbliss","product":"backup migration (wordpress plugin)"},{"vendor":"backupbliss","product":"backup_migration"}],"references":[{"url":"https://wordpress.org/plugins/backup-backup/#developers","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://patchstack.com/database/vulnerability/backup-backup/wordpress-backup-migration-plugin-1-1-5-authenticated-persistent-cross-site-scripting-xss-vulnerability","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36884"},{"url":"https://github.com/advisories/GHSA-5q55-ghjj-wjrp"}],"sources":{"cve":[{"id":"CVE-2021-36884","title":"WordPress Backup Migration plugin \u003c= 1.1.5 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin \u003c= 1.1.5 versions.","status":"published","published":"2021-11-19T18:19:34.107Z","modified":"2026-04-28T16:07:36.079Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23460","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin \u003c= 1.1.5 versions.","status":"published","published":"2021-11-19T18:19:34Z","modified":"2026-04-28T16:07:36Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:16.393887Z"}],"ghsa":[{"id":"GHSA-5q55-ghjj-wjrp","title":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup...","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin \u003c= 1.1.5 versions.","status":"published","published":"2021-11-20T00:00:50Z","modified":"2023-02-01T05:06:34Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:22.333418Z"}],"nvd":[{"id":"CVE-2021-36884","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin \u003c= 1.1.5 versions.","status":"published","published":"2021-11-19T19:15:08.767Z","modified":"2026-06-17T03:59:34.29Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}