CVE-2015-8562
Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-8562- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2015-8562- Updated
- 2026-11-02
EUVDEUVD-2015-8441No score
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.
- Record
EUVD-2015-8441- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pccq-v233-rx3qNo score
Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection...
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.
- Record
GHSA-pccq-v233-rx3q- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Joomla HTTP Header Unauthenticated Remote Code Execution | 2015-12-14 |
| Exploit-DB | Joomla! 1.5 < 3.4.5 - Object Injection Remote Command Execution | 2015-12-15 |
| Exploit-DB | Joomla! 1.5 < 3.4.6 - Object Injection 'x-forwarded-for' Header Remote Code Execution | 2015-12-18 |
| PoC in GitHub | RobinHoutevelts/Joomla-CVE-2015-8562-PHP-POC | 2016-01-04 |
| PoC in GitHub | ZaleHack/joomla_rce_CVE-2015-8562 | 2016-01-04 |
| PoC in GitHub | atcasanova/cve-2015-8562-exploit | 2016-02-08 |
| PoC in GitHub | thejackerz/scanner-exploit-joomla-CVE-2015-8562 | 2016-06-07 |
| PoC in GitHub | dmonst3r/CVE-2015-8562 | 2017-01-08 |
| PoC in GitHub | VoidSec/Joomla_CVE-2015-8562 | 2017-09-17 |
| PoC in GitHub | xnorkl/Joomla_Payload | 2020-02-07 |
Show 5 moreShow less
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | guanjivip/CVE-2015-8562 | 2020-07-25 |
| PoC in GitHub | lorenzodegiorgi/setup-cve-2015-8562 | 2021-05-03 |
| PoC in GitHub | Caihuar/Joomla-cve-2015-8562 | 2022-09-21 |
| PoC in GitHub | drolley919/joomla-cve-2015-8562-exploit-and-linux-forensic-analysis | 2026-06-22 |
| Nuclei | Joomla HTTP Header Unauthenticated - Remote Code Execution |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8562 is a high vulnerability (CVSS 7.5) in Joomla Joomla\!, published December 16, 2015. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 98.2%, the 99th percentile. No source names a fixed version.
References
exploit-db.com/exploits/39033
securityfocus.com/archive/1/537219/100/0/threaded
packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html
developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html