{"id":"CVE-2015-8562","aliases":["EUVD-2015-8441","GHSA-pccq-v233-rx3q"],"status":"published","title":"Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection...","description":"Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.98193,"percentile":0.99914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2015-12-16T21:00:00Z","modified":"2026-06-17T00:34:46Z","exploits":[{"source":"exploitdb","id":"EDB-38977","title":"Joomla! 1.5 \u003c 3.4.5 - Object Injection Remote Command Execution","type":"webapps","platform":"php","date":"2015-12-15","verified":true,"url":"https://www.exploit-db.com/exploits/38977"},{"source":"exploitdb","id":"EDB-39033","title":"Joomla! 1.5 \u003c 3.4.6 - Object Injection 'x-forwarded-for' Header Remote Code Execution","type":"webapps","platform":"php","date":"2015-12-18","url":"https://www.exploit-db.com/exploits/39033"},{"source":"metasploit","id":"exploit/multi/http/joomla_http_header_rce","title":"Joomla HTTP Header Unauthenticated Remote Code Execution","type":"exploit","platform":"PHP","date":"2015-12-14","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce"},{"source":"nuclei","id":"CVE-2015-8562","title":"Joomla HTTP Header Unauthenticated - Remote Code Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2015/CVE-2015-8562.yaml"},{"source":"pocgithub","id":"Caihuar/Joomla-cve-2015-8562","title":"Caihuar/Joomla-cve-2015-8562","date":"2022-09-21","url":"https://github.com/Caihuar/Joomla-cve-2015-8562"},{"source":"pocgithub","id":"RobinHoutevelts/Joomla-CVE-2015-8562-PHP-POC","title":"RobinHoutevelts/Joomla-CVE-2015-8562-PHP-POC","date":"2016-01-04","url":"https://github.com/RobinHoutevelts/Joomla-CVE-2015-8562-PHP-POC"},{"source":"pocgithub","id":"VoidSec/Joomla_CVE-2015-8562","title":"VoidSec/Joomla_CVE-2015-8562","date":"2017-09-17","url":"https://github.com/VoidSec/Joomla_CVE-2015-8562"},{"source":"pocgithub","id":"ZaleHack/joomla_rce_CVE-2015-8562","title":"ZaleHack/joomla_rce_CVE-2015-8562","date":"2016-01-04","url":"https://github.com/ZaleHack/joomla_rce_CVE-2015-8562"},{"source":"pocgithub","id":"atcasanova/cve-2015-8562-exploit","title":"atcasanova/cve-2015-8562-exploit","date":"2016-02-08","url":"https://github.com/atcasanova/cve-2015-8562-exploit"},{"source":"pocgithub","id":"dmonst3r/CVE-2015-8562","title":"dmonst3r/CVE-2015-8562","date":"2017-01-08","url":"https://github.com/dmonst3r/CVE-2015-8562"},{"source":"pocgithub","id":"drolley919/joomla-cve-2015-8562-exploit-and-linux-forensic-analysis","title":"drolley919/joomla-cve-2015-8562-exploit-and-linux-forensic-analysis","date":"2026-06-22","url":"https://github.com/drolley919/joomla-cve-2015-8562-exploit-and-linux-forensic-analysis"},{"source":"pocgithub","id":"guanjivip/CVE-2015-8562","title":"guanjivip/CVE-2015-8562","date":"2020-07-25","url":"https://github.com/guanjivip/CVE-2015-8562"},{"source":"pocgithub","id":"lorenzodegiorgi/setup-cve-2015-8562","title":"lorenzodegiorgi/setup-cve-2015-8562","date":"2021-05-03","url":"https://github.com/lorenzodegiorgi/setup-cve-2015-8562"},{"source":"pocgithub","id":"thejackerz/scanner-exploit-joomla-CVE-2015-8562","title":"thejackerz/scanner-exploit-joomla-CVE-2015-8562","date":"2016-06-07","url":"https://github.com/thejackerz/scanner-exploit-joomla-CVE-2015-8562"},{"source":"pocgithub","id":"xnorkl/Joomla_Payload","title":"xnorkl/Joomla_Payload","date":"2020-02-07","url":"https://github.com/xnorkl/Joomla_Payload"}],"products":[{"vendor":"joomla","product":"joomla\\!"}],"references":[{"url":"https://www.exploit-db.com/exploits/39033/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/537219/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/38977/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit"]},{"url":"http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/79195","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-8562"},{"url":"https://www.exploit-db.com/exploits/38977"},{"url":"https://www.exploit-db.com/exploits/39033"},{"url":"https://github.com/advisories/GHSA-pccq-v233-rx3q"}],"sources":{"cve":[{"id":"CVE-2015-8562","description":"Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.","status":"published","published":"2015-12-16T21:00:00Z","modified":"2024-08-06T08:20:43.177Z","updated_at":"2026-11-02T14:35:41.26549Z"}],"euvd":[{"id":"EUVD-2015-8441","description":"Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.","status":"published","published":"2015-12-16T21:00:00Z","modified":"2024-08-06T08:20:43Z","updated_at":"2026-11-03T01:57:26.810911Z"}],"ghsa":[{"id":"GHSA-pccq-v233-rx3q","title":"Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection...","description":"Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.","status":"published","published":"2022-05-14T02:47:06Z","modified":"2025-04-12T12:56:10Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:25.259545Z"}],"nvd":[{"id":"CVE-2015-8562","description":"Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.","status":"published","published":"2015-12-16T21:59:06.39Z","modified":"2026-06-17T00:34:46.897Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:14.501367Z"}]}}