CVE-2015-8562
High PUBLISHEDJoomla! 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...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Dec 16, 2015
- Exploitation Reported
- Dec 16, 2015
- CVSS
- 7.5 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- 39033 exploit-db.com · Exploit https://www.exploit-db.com/exploits/39033/
- 38977 exploit-db.com · Exploit https://www.exploit-db.com/exploits/38977/
- 79195 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/79195
- 20151231 Joomla 1.5.x to 3.4.5 Object Injection Exploit (golang) securityfocus.com · Mailing List http://www.securityfocus.com/archive/1/537219/100/0/threaded
- packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injec...
Show 4 more references
- packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthentica... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauth...
- developer.joomla.org/security-centre/630-20151214-core-remote-cod... developer.joomla.org · CVE Record https://developer.joomla.org/security-centre/630-20151214-core-remote...
- rapid7.com/db/modules/exploit/multi/http/joomla_http_he... rapid7.com · CVE Record http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_heade...
- blog.sucuri.net/2015/12/remote-command-execution-vulnerabili... blog.sucuri.net · CVE Record https://blog.sucuri.net/2015/12/remote-command-execution-vulnerabilit...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2015-12-16 21:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2015/CVE-2015-8562.yaml | Apr 25, 2025 |
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/joomla_http_header_rce.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitation Status
Proof of concept available
Recorded 2017-09-17 15:03:53 UTC · GitHub
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/joomla_http_header_rce.rb | Apr 28, 2025 |
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2015/CVE-2015-8562.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2017-09-17 15:03:53 UTC · 9 stars
A proof of concept for Joomla's CVE-2015-8562 vulnerability (Object Injection RCE)
github · Created 2017-01-08 12:59:16 UTC · 4 stars
Joomla 1.5 - 3.4.5 Object Injection RCE X-Forwarded-For header
github · Created 2016-06-07 14:56:26 UTC · 0 stars
github · Created 2016-01-04 22:27:06 UTC · 1 stars
A proof of concept for Joomla's CVE-2015-8562 vulnerability
github · Created 2016-01-04 13:37:25 UTC · 8 stars
All versions of the Joomla! below 3.4.6 are known to be vulnerable. But exploitation is possible with PHP versions below 5.5.29, 5.6.13 and below 5.5.
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
15:03 UTC almost 9 years ago15:03 UTC · almost 9 years ago
Public PoC available
Public proof-of-concept code published
-
21:00 UTC over 10 years ago21:00 UTC · over 10 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
21:00 UTC over 10 years ago21:00 UTC · over 10 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 10 years ago00:00 UTC · over 10 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2015-8562
{
"cve_id": "CVE-2015-8562",
"title": "Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PH...",
"affected_vendor": "Joomla!",
"affected_product": "Joomla!",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 7.5,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": false,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}