{"id":"CVE-2019-11595","aliases":["EUVD-2019-3265","GHSA-cq4j-49w3-ppw7"],"status":"published","title":"In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run...","description":"In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch, and the script origin has an open redirect.","severity":{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02407,"percentile":0.84195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-04-29T14:31:21Z","modified":"2026-06-17T02:13:13Z","products":[{"vendor":"ublockorigin","product":"ublock_origin"}],"references":[{"url":"https://armin.dev/blog/2019/04/adblock-plus-code-injection/","tags":["x_refsource_MISC","x_transferred","Exploit","Mitigation","Third Party Advisory"]},{"url":"https://news.ycombinator.com/item?id=19666504","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11595"},{"url":"https://armin.dev/blog/2019/04/adblock-plus-code-injection"},{"url":"https://github.com/advisories/GHSA-cq4j-49w3-ppw7"}],"sources":{"cve":[{"id":"CVE-2019-11595","description":"In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch, and the script origin has an open redirect.","status":"published","published":"2019-04-29T14:31:21Z","modified":"2024-08-04T22:55:41.059Z","updated_at":"2026-11-02T14:20:26.416173Z"}],"euvd":[{"id":"EUVD-2019-3265","description":"In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch, and the script origin has an open redirect.","status":"published","published":"2019-04-29T14:31:21Z","modified":"2024-08-04T22:55:41Z","updated_at":"2026-11-03T02:40:48.932719Z"}],"ghsa":[{"id":"GHSA-cq4j-49w3-ppw7","title":"In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run...","description":"In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch, and the script origin has an open redirect.","status":"published","published":"2022-05-24T16:44:50Z","modified":"2024-04-04T00:15:51Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:55:49.472376Z"}],"nvd":[{"id":"CVE-2019-11595","description":"In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch, and the script origin has an open redirect.","status":"published","published":"2019-04-29T15:29:00.887Z","modified":"2026-06-17T02:13:13.94Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:12.471695Z"}]}}