{"id":"CVE-2015-8562","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-8562","generatedAt":"2026-11-05T05:45:58.720Z","title":"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.","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.","published":"2015-12-16T21:59:06.000Z","lastModified":"2026-06-17T00:34:47.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-20"],"affected":["joomla/joomla\\!"],"epss":{"score":0.98193,"percentile":0.99914,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2015-12-15","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":39033,"kind":"exploit","title":"Joomla! 1.5 < 3.4.6 - Object Injection 'x-forwarded-for' Header Remote Code Execution","url":"https://www.exploit-db.com/exploits/39033","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/39033.py","file":"exploits/php/webapps/39033.py","published":"2015-12-18","added":"2015-12-18","updated":"2020-12-07","author":"Andrew McNicol","type":"webapps","platform":"php","port":80,"verified":false,"codes":["CVE-2015-8566","CVE-2015-8562","OSVDB-131679"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comJoomla_3.4.4-Stable-Full_Package.tar.bz2","screenshotUrl":null,"referenceUrl":null},{"edbId":38977,"kind":"exploit","title":"Joomla! 1.5 < 3.4.5 - Object Injection Remote Command Execution","url":"https://www.exploit-db.com/exploits/38977","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/38977.py","file":"exploits/php/webapps/38977.py","published":"2015-12-15","added":"2015-12-15","updated":"2015-12-18","author":"Sec-1","type":"webapps","platform":"php","port":null,"verified":true,"codes":["CVE-2015-8562"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comJoomla_3.4.4-Stable-Full_Package.tar.bz2","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 98.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html","source":"cve@mitre.org"},{"url":"http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/537219/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/79195","source":"cve@mitre.org"},{"url":"https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/38977/","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/39033/","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/537219/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/79195","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/38977/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/39033/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-8562","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}