{"id":"CVE-2016-2539","aliases":["EUVD-2016-3615","GHSA-xx7x-j7hm-xqvx"],"status":"published","title":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2...","description":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04254,"percentile":0.91116,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-352"],"published":"2017-02-07T15:00:00Z","modified":"2026-10-20T10:45:56Z","exploits":[{"source":"exploitdb","id":"EDB-39524","title":"ATutor LMS - '/install_modules.php' Cross-Site Request Forgery / Remote Code Execution","type":"webapps","platform":"php","date":"2016-03-07","verified":true,"url":"https://www.exploit-db.com/exploits/39524"}],"products":[{"vendor":"atutor","product":"atutor"}],"references":[{"url":"https://www.exploit-db.com/exploits/39524/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"https://packetstormsecurity.com/files/136109/ATutor-LMS-2.2.1-CSRF-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","VDB Entry","fix"]},{"url":"https://github.com/atutor/ATutor/commit/bfc6c80c6c217c5515172f3cc949e13dfa1a92ac","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-2539"},{"url":"https://www.exploit-db.com/exploits/39524"},{"url":"https://github.com/advisories/GHSA-xx7x-j7hm-xqvx"}],"sources":{"cve":[{"id":"CVE-2016-2539","description":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.","status":"published","published":"2017-02-07T15:00:00Z","modified":"2024-08-05T23:32:20.891Z","updated_at":"2026-11-02T14:33:33.424551Z"}],"euvd":[{"id":"EUVD-2016-3615","description":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.","status":"published","published":"2017-02-07T15:00:00Z","modified":"2024-08-05T23:32:20Z","updated_at":"2026-11-03T02:22:52.753944Z"}],"ghsa":[{"id":"GHSA-xx7x-j7hm-xqvx","title":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2...","description":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.","status":"published","published":"2022-05-17T01:09:54Z","modified":"2025-04-20T03:33:28Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:01:40.757238Z"}],"nvd":[{"id":"CVE-2016-2539","description":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.","status":"published","published":"2017-02-07T15:59:00.257Z","modified":"2026-06-17T00:44:15.09Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","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-352"],"updated_at":"2026-11-02T14:03:35.822579Z"}],"osv":[{"id":"CVE-2016-2539","description":"Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.","status":"published","published":"2017-02-07T15:59:00.257Z","modified":"2026-10-20T10:45:56.737014518Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.114472Z"}]}}