CVE-2015-8562

Exp

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: 2015-12-16 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-8562 is rated High Exploit Risk (78.9/100): CVSS High severity, with high exploitation likelihood (EPSS 92.95%, 100th percentile). 6 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-8562

EDB-ID Source Kind Published Link
39033 exploit_db edb 2015-12-18 Exploit-DB ↗
38977 exploit_db edb 2015-12-15 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-8562

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-24 93.98% 92.95% -1.03%
2 2026-02-14 93.89% 93.98% +0.09%
3 2025-12-09 — 93.89% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8562

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-8562

Affected software / configurations for CVE-2015-8562

Vendor Product Version Raw CPE
joomla joomla\! 1.5.0 cpe:2.3:a:joomla:joomla\!:1.5.0:*:*:*:*:*:*:*
joomla joomla\! 1.5.1 cpe:2.3:a:joomla:joomla\!:1.5.1:*:*:*:*:*:*:*
joomla joomla\! 1.5.2 cpe:2.3:a:joomla:joomla\!:1.5.2:*:*:*:*:*:*:*
joomla joomla\! 1.5.3 cpe:2.3:a:joomla:joomla\!:1.5.3:*:*:*:*:*:*:*
joomla joomla\! 1.5.4 cpe:2.3:a:joomla:joomla\!:1.5.4:*:*:*:*:*:*:*
joomla joomla\! 1.5.6 cpe:2.3:a:joomla:joomla\!:1.5.6:*:*:*:*:*:*:*
joomla joomla\! 1.5.7 cpe:2.3:a:joomla:joomla\!:1.5.7:*:*:*:*:*:*:*
joomla joomla\! 1.5.8 cpe:2.3:a:joomla:joomla\!:1.5.8:*:*:*:*:*:*:*
joomla joomla\! 1.5.9 cpe:2.3:a:joomla:joomla\!:1.5.9:*:*:*:*:*:*:*
joomla joomla\! 1.5.10 cpe:2.3:a:joomla:joomla\!:1.5.10:*:*:*:*:*:*:*
joomla joomla\! 1.5.11 cpe:2.3:a:joomla:joomla\!:1.5.11:*:*:*:*:*:*:*
joomla joomla\! 1.5.12 cpe:2.3:a:joomla:joomla\!:1.5.12:*:*:*:*:*:*:*
joomla joomla\! 1.5.13 cpe:2.3:a:joomla:joomla\!:1.5.13:*:*:*:*:*:*:*
joomla joomla\! 1.5.14 cpe:2.3:a:joomla:joomla\!:1.5.14:*:*:*:*:*:*:*
joomla joomla\! 1.5.15 cpe:2.3:a:joomla:joomla\!:1.5.15:*:*:*:*:*:*:*
joomla joomla\! 1.5.16 cpe:2.3:a:joomla:joomla\!:1.5.16:*:*:*:*:*:*:*
joomla joomla\! 1.5.17 cpe:2.3:a:joomla:joomla\!:1.5.17:*:*:*:*:*:*:*
joomla joomla\! 1.5.18 cpe:2.3:a:joomla:joomla\!:1.5.18:*:*:*:*:*:*:*
joomla joomla\! 1.5.19 cpe:2.3:a:joomla:joomla\!:1.5.19:*:*:*:*:*:*:*
joomla joomla\! 1.5.20 cpe:2.3:a:joomla:joomla\!:1.5.20:*:*:*:*:*:*:*
joomla joomla\! 1.5.21 cpe:2.3:a:joomla:joomla\!:1.5.21:*:*:*:*:*:*:*
joomla joomla\! 1.5.22 cpe:2.3:a:joomla:joomla\!:1.5.22:*:*:*:*:*:*:*
joomla joomla\! 1.5.23 cpe:2.3:a:joomla:joomla\!:1.5.23:*:*:*:*:*:*:*
joomla joomla\! 1.5.24 cpe:2.3:a:joomla:joomla\!:1.5.24:*:*:*:*:*:*:*
joomla joomla\! 1.5.25 cpe:2.3:a:joomla:joomla\!:1.5.25:*:*:*:*:*:*:*
joomla joomla\! 1.5.26 cpe:2.3:a:joomla:joomla\!:1.5.26:*:*:*:*:*:*:*
joomla joomla\! 1.6.0 cpe:2.3:a:joomla:joomla\!:1.6.0:*:*:*:*:*:*:*
joomla joomla\! 1.6.1 cpe:2.3:a:joomla:joomla\!:1.6.1:*:*:*:*:*:*:*
joomla joomla\! 1.6.2 cpe:2.3:a:joomla:joomla\!:1.6.2:*:*:*:*:*:*:*
joomla joomla\! 1.6.3 cpe:2.3:a:joomla:joomla\!:1.6.3:*:*:*:*:*:*:*
joomla joomla\! 1.6.4 cpe:2.3:a:joomla:joomla\!:1.6.4:*:*:*:*:*:*:*
joomla joomla\! 1.6.5 cpe:2.3:a:joomla:joomla\!:1.6.5:*:*:*:*:*:*:*
joomla joomla\! 1.6.6 cpe:2.3:a:joomla:joomla\!:1.6.6:*:*:*:*:*:*:*
joomla joomla\! 1.7.0 cpe:2.3:a:joomla:joomla\!:1.7.0:*:*:*:*:*:*:*
joomla joomla\! 1.7.1 cpe:2.3:a:joomla:joomla\!:1.7.1:*:*:*:*:*:*:*
joomla joomla\! 1.7.2 cpe:2.3:a:joomla:joomla\!:1.7.2:*:*:*:*:*:*:*
joomla joomla\! 1.7.3 cpe:2.3:a:joomla:joomla\!:1.7.3:*:*:*:*:*:*:*
joomla joomla\! 1.7.4 cpe:2.3:a:joomla:joomla\!:1.7.4:*:*:*:*:*:*:*
joomla joomla\! 1.7.5 cpe:2.3:a:joomla:joomla\!:1.7.5:*:*:*:*:*:*:*
joomla joomla\! 2.5.0 cpe:2.3:a:joomla:joomla\!:2.5.0:*:*:*:*:*:*:*
joomla joomla\! 2.5.1 cpe:2.3:a:joomla:joomla\!:2.5.1:*:*:*:*:*:*:*
joomla joomla\! 2.5.2 cpe:2.3:a:joomla:joomla\!:2.5.2:*:*:*:*:*:*:*
joomla joomla\! 2.5.3 cpe:2.3:a:joomla:joomla\!:2.5.3:*:*:*:*:*:*:*
joomla joomla\! 2.5.4 cpe:2.3:a:joomla:joomla\!:2.5.4:*:*:*:*:*:*:*
joomla joomla\! 2.5.5 cpe:2.3:a:joomla:joomla\!:2.5.5:*:*:*:*:*:*:*
joomla joomla\! 2.5.6 cpe:2.3:a:joomla:joomla\!:2.5.6:*:*:*:*:*:*:*
joomla joomla\! 2.5.7 cpe:2.3:a:joomla:joomla\!:2.5.7:*:*:*:*:*:*:*
joomla joomla\! 2.5.8 cpe:2.3:a:joomla:joomla\!:2.5.8:*:*:*:*:*:*:*
joomla joomla\! 2.5.9 cpe:2.3:a:joomla:joomla\!:2.5.9:*:*:*:*:*:*:*
joomla joomla\! 2.5.10 cpe:2.3:a:joomla:joomla\!:2.5.10:*:*:*:*:*:*:*
joomla joomla\! 2.5.11 cpe:2.3:a:joomla:joomla\!:2.5.11:*:*:*:*:*:*:*
joomla joomla\! 2.5.12 cpe:2.3:a:joomla:joomla\!:2.5.12:*:*:*:*:*:*:*
joomla joomla\! 2.5.13 cpe:2.3:a:joomla:joomla\!:2.5.13:*:*:*:*:*:*:*
joomla joomla\! 2.5.14 cpe:2.3:a:joomla:joomla\!:2.5.14:*:*:*:*:*:*:*
joomla joomla\! 2.5.15 cpe:2.3:a:joomla:joomla\!:2.5.15:*:*:*:*:*:*:*
joomla joomla\! 2.5.16 cpe:2.3:a:joomla:joomla\!:2.5.16:*:*:*:*:*:*:*
joomla joomla\! 2.5.17 cpe:2.3:a:joomla:joomla\!:2.5.17:*:*:*:*:*:*:*
joomla joomla\! 2.5.18 cpe:2.3:a:joomla:joomla\!:2.5.18:*:*:*:*:*:*:*
joomla joomla\! 2.5.19 cpe:2.3:a:joomla:joomla\!:2.5.19:*:*:*:*:*:*:*
joomla joomla\! 2.5.20 cpe:2.3:a:joomla:joomla\!:2.5.20:*:*:*:*:*:*:*
joomla joomla\! 2.5.21 cpe:2.3:a:joomla:joomla\!:2.5.21:*:*:*:*:*:*:*
joomla joomla\! 2.5.22 cpe:2.3:a:joomla:joomla\!:2.5.22:*:*:*:*:*:*:*
joomla joomla\! 2.5.23 cpe:2.3:a:joomla:joomla\!:2.5.23:*:*:*:*:*:*:*
joomla joomla\! 2.5.24 cpe:2.3:a:joomla:joomla\!:2.5.24:*:*:*:*:*:*:*
joomla joomla\! 2.5.25 cpe:2.3:a:joomla:joomla\!:2.5.25:*:*:*:*:*:*:*
joomla joomla\! 2.5.26 cpe:2.3:a:joomla:joomla\!:2.5.26:*:*:*:*:*:*:*
joomla joomla\! 2.5.27 cpe:2.3:a:joomla:joomla\!:2.5.27:*:*:*:*:*:*:*
joomla joomla\! 2.5.28 cpe:2.3:a:joomla:joomla\!:2.5.28:*:*:*:*:*:*:*
joomla joomla\! 3.0.0 cpe:2.3:a:joomla:joomla\!:3.0.0:*:*:*:*:*:*:*
joomla joomla\! 3.0.1 cpe:2.3:a:joomla:joomla\!:3.0.1:*:*:*:*:*:*:*
joomla joomla\! 3.0.2 cpe:2.3:a:joomla:joomla\!:3.0.2:*:*:*:*:*:*:*
joomla joomla\! 3.0.3 cpe:2.3:a:joomla:joomla\!:3.0.3:*:*:*:*:*:*:*
joomla joomla\! 3.1.0 cpe:2.3:a:joomla:joomla\!:3.1.0:*:*:*:*:*:*:*
joomla joomla\! 3.1.1 cpe:2.3:a:joomla:joomla\!:3.1.1:*:*:*:*:*:*:*
joomla joomla\! 3.1.2 cpe:2.3:a:joomla:joomla\!:3.1.2:*:*:*:*:*:*:*
joomla joomla\! 3.1.3 cpe:2.3:a:joomla:joomla\!:3.1.3:*:*:*:*:*:*:*
joomla joomla\! 3.1.4 cpe:2.3:a:joomla:joomla\!:3.1.4:*:*:*:*:*:*:*
joomla joomla\! 3.1.5 cpe:2.3:a:joomla:joomla\!:3.1.5:*:*:*:*:*:*:*
joomla joomla\! 3.1.6 cpe:2.3:a:joomla:joomla\!:3.1.6:*:*:*:*:*:*:*
joomla joomla\! 3.2.0 cpe:2.3:a:joomla:joomla\!:3.2.0:*:*:*:*:*:*:*

References for CVE-2015-8562

cvelogic Threat Intelligence