{"id":"CVE-2017-9841","aliases":["GHSA-r7c9-c69m-rph8"],"url":"https://o3.security/vulnerability/CVE-2017-9841","summary":"Code Injection in PHPUnit","details":"Util/PHP/eval-stdin.php in PHPUnit starting with 4.8.19 and before 4.8.28, as well as 5.x before 5.6.3, allows remote attackers to execute arbitrary PHP code via HTTP POST data beginning with a `<?php ` substring, as demonstrated by an attack on a site with an exposed /vendor folder, i.e., external access to the /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php URI.","published":"2017-06-27T17:29:00.177Z","modified":"2026-10-24T10:49:31.485073507Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.99999,"percentile":0.99994,"asOf":"2026-09-14"},"cisaKev":null,"exploitsKnown":24,"affectedPackages":[{"ecosystem":"Packagist","name":"phpunit/phpunit","fixedVersion":"4.8.28"},{"ecosystem":"Packagist","name":"phpunit/phpunit","fixedVersion":"5.6.3"}],"fix":{"url":"https://github.com/sebastianbergmann/phpunit/commit/284a69fb88a2d0845d23f42974a583d8f59bf5a5","label":"sebastianbergmann/phpunit@284a69f"},"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/101798"},{"type":"WEB","url":"http://www.securitytracker.com/id/1039812"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9841"},{"type":"ADVISORY","url":"http://web.archive.org/web/20170701212357/http://phpunit.vulnbusters.com/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201711-15"},{"type":"FIX","url":"https://github.com/sebastianbergmann/phpunit/commit/284a69fb88a2d0845d23f42974a583d8f59bf5a5"},{"type":"FIX","url":"https://github.com/sebastianbergmann/phpunit/pull/1956"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9841"},{"type":"WEB","url":"https://github.com/sebastianbergmann/phpunit/pull/1955"},{"type":"WEB","url":"https://github.com/sebastianbergmann/phpunit/commit/3aaddb1c5bd9b9b8d070b4cf120e71c36fd08412"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/phpunit/phpunit/CVE-2017-9841.yaml"},{"type":"PACKAGE","url":"https://github.com/sebastianbergmann/phpunit"},{"type":"WEB","url":"http://web.archive.org/web/20170701212357/http://phpunit.vulnbusters.com"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:49:31.485073507Z"}}