{"id":"CVE-2021-39349","details":"The Author Bio Box WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/includes/admin/class-author-bio-box-admin.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 3.3.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.","modified":"2026-04-12T01:58:19.995515Z","published":"2021-10-15T13:15:08.070Z","references":[{"type":"ADVISORY","url":"https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39349"},{"type":"FIX","url":"https://plugins.trac.wordpress.org/changeset/2613798/author-bio-box/tags/3.3.2/includes/admin/class-author-bio-box-admin.php"},{"type":"EVIDENCE","url":"https://github.com/BigTiger2020/word-press/blob/main/Author%20Bio%20Box.md"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/claudiosanches/author-bio-box","events":[{"introduced":"0"},{"last_affected":"f125e36a2e370d591954d17714401b3133448595"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"3.3.1"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:author_bio_box_project:author_bio_box:*:*:*:*:*:wordpress:*:*"}}],"versions":["2.0.0","3.0.0","3.1.0","3.1.1","3.2.0","3.2.1","3.3.0","3.3.1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-39349.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"}]}