CVE-2015-8562 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 98.3% (pctl 100)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 98.28% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2015-12-16 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| joomla | joomla\! |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Joomla! 1.5 < 3.4.6 - Object Injection 'x-forwarded-for' Header Remote Code Execution | 2015-12-18 |
| exploit-db | Joomla! 1.5 < 3.4.5 - Object Injection Remote Command Execution | 2015-12-15 |
References
- http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html
- http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce
- http://www.securityfocus.com/archive/1/537219/100/0/threaded
- http://www.securityfocus.com/bid/79195
- https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html
- https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html
- https://www.exploit-db.com/exploits/38977/
- https://www.exploit-db.com/exploits/39033/
- http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html
- http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce
- http://www.securityfocus.com/archive/1/537219/100/0/threaded
- http://www.securityfocus.com/bid/79195
- https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html
- https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html
- https://www.exploit-db.com/exploits/38977/
- https://www.exploit-db.com/exploits/39033/
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