CVE-2013-4446

The _json_decode function in plugins/context_reaction_block.inc in the Context module 6.x-2.x before 6.x-3.2 and 7.x-3.x before 7.x-3.0 for Drupal, when using a version of PHP that does not support the json_decode function, allows remote attackers to execute arbitrary PHP code via unspecified vectors related to Ajax operations, possibly involving eval injection.

Published: 2013-12-07 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4446 is rated Moderate Risk (52.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.53%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2013-4446

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 2026-06-15 1.09% 1.53% +0.44%
2 2025-03-17 1.26% 1.09% -0.17%
3 2023-07-20 — 1.26% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4446

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2013-4446

Affected software / configurations for CVE-2013-4446

Vendor Product Version Raw CPE
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:alpha1:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:alpha2:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:beta1:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:beta2:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:beta3:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:beta4:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:beta5:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:beta6:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:beta7:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:rc1:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:rc2:*:*:*:*:*:*
steven_jones context 6.x-2.0 cpe:2.3:a:steven_jones:context:6.x-2.0:rc3:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:*:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:alpha1:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:alpha2:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta1:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta2:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta3:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta4:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta5:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta6:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta7:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:beta8:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:rc1:*:*:*:*:*:*
steven_jones context 6.x-3.0 cpe:2.3:a:steven_jones:context:6.x-3.0:rc2:*:*:*:*:*:*
steven_jones context 6.x-3.1 cpe:2.3:a:steven_jones:context:6.x-3.1:*:*:*:*:*:*:*
steven_jones context 6.x-3.x cpe:2.3:a:steven_jones:context:6.x-3.x:dev:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:alpha1:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:alpha2:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:alpha3:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:beta1:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:beta2:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:beta3:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:beta4:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:beta5:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:beta6:*:*:*:*:*:*
steven_jones context 7.x-3.0 cpe:2.3:a:steven_jones:context:7.x-3.0:beta7:*:*:*:*:*:*
steven_jones context 7.x-3.x cpe:2.3:a:steven_jones:context:7.x-3.x:dev:*:*:*:*:*:*

References for CVE-2013-4446

cvelogic Threat Intelligence