{"id":"CVE-2021-30533","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-30533","summary":null,"details":"Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass navigation restrictions via a crafted iframe.","published":"2021-06-07T20:15:08.730Z","modified":"2026-03-15T22:40:25.208419Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"},"epss":{"score":0.16611,"percentile":0.96819,"asOf":"2026-09-10"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30533"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-06"},{"type":"ADVISORY","url":"https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html"},{"type":"FIX","url":"https://crbug.com/1145553"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-15T22:40:25.208419Z"}}