{"id":"CVE-2021-3258","details":"Question2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS), which may lead to arbitrary remote code execution.","modified":"2026-03-14T10:58:27.242698Z","published":"2021-02-05T16:15:12.757Z","references":[{"type":"ADVISORY","url":"https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update"},{"type":"FIX","url":"https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536"},{"type":"EVIDENCE","url":"https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/q2a-projects/q2a-ultimate-seo","events":[{"introduced":"0"},{"fixed":"20069f28147c6f2c3acca4e3f6f5154537c5d536"}]},{"type":"GIT","repo":"https://github.com/q2a-projects/q2a-ultimate-seo","events":[{"introduced":"0"},{"fixed":"20069f28147c6f2c3acca4e3f6f5154537c5d536"}]}],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"1.3"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3258.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}