CVE-2014-5266

The Incutio XML-RPC (IXR) Library, as used in WordPress before 3.9.2 and Drupal 6.x before 6.33 and 7.x before 7.31, does not limit the number of elements in an XML document, which allows remote attackers to cause a denial of service (CPU consumption) via a large document, a different vulnerability than CVE-2014-5265.

Published: 2014-08-18 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-5266 is rated Moderate Risk (58.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 76.31%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.54% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2014-5266

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 2025-12-28 72.76% 76.31% +3.54%
2 2025-12-27 76.31% 72.76% -3.54%
3 2025-10-28 — 76.31% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-5266

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-5266

OS Trackers for CVE-2014-5266

vendor priority summary link
debian not yet assigned CVE-2014-5266 not yet assigned priority: Debian including 1 source packages (wordpress), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-5266
ubuntu medium CVE-2014-5266 medium priority: Ubuntu including 3 source packages (drupal6, drupal7, wordpress), 69 status rows across 23 suites (artful, bionic, cosmic, disco, focal, jammy, kinetic, lucid, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 33, not-affected 20, ignored 11, released 3, needed 1, needs-triage 1. https://ubuntu.com/security/CVE-2014-5266

Affected software / configurations for CVE-2014-5266

Vendor Product Version Raw CPE
wordpress wordpress <= 3.9.1 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress 3.0 cpe:2.3:a:wordpress:wordpress:3.0:*:*:*:*:*:*:*
wordpress wordpress 3.0.1 cpe:2.3:a:wordpress:wordpress:3.0.1:*:*:*:*:*:*:*
wordpress wordpress 3.0.2 cpe:2.3:a:wordpress:wordpress:3.0.2:*:*:*:*:*:*:*
wordpress wordpress 3.0.3 cpe:2.3:a:wordpress:wordpress:3.0.3:*:*:*:*:*:*:*
wordpress wordpress 3.0.4 cpe:2.3:a:wordpress:wordpress:3.0.4:*:*:*:*:*:*:*
wordpress wordpress 3.0.5 cpe:2.3:a:wordpress:wordpress:3.0.5:*:*:*:*:*:*:*
wordpress wordpress 3.0.6 cpe:2.3:a:wordpress:wordpress:3.0.6:*:*:*:*:*:*:*
wordpress wordpress 3.1 cpe:2.3:a:wordpress:wordpress:3.1:*:*:*:*:*:*:*
wordpress wordpress 3.1.1 cpe:2.3:a:wordpress:wordpress:3.1.1:*:*:*:*:*:*:*
wordpress wordpress 3.1.2 cpe:2.3:a:wordpress:wordpress:3.1.2:*:*:*:*:*:*:*
wordpress wordpress 3.1.3 cpe:2.3:a:wordpress:wordpress:3.1.3:*:*:*:*:*:*:*
wordpress wordpress 3.1.4 cpe:2.3:a:wordpress:wordpress:3.1.4:*:*:*:*:*:*:*
wordpress wordpress 3.2 cpe:2.3:a:wordpress:wordpress:3.2:*:*:*:*:*:*:*
wordpress wordpress 3.2 cpe:2.3:a:wordpress:wordpress:3.2:beta1:*:*:*:*:*:*
wordpress wordpress 3.2.1 cpe:2.3:a:wordpress:wordpress:3.2.1:*:*:*:*:*:*:*
wordpress wordpress 3.3 cpe:2.3:a:wordpress:wordpress:3.3:*:*:*:*:*:*:*
wordpress wordpress 3.3.1 cpe:2.3:a:wordpress:wordpress:3.3.1:*:*:*:*:*:*:*
wordpress wordpress 3.3.2 cpe:2.3:a:wordpress:wordpress:3.3.2:*:*:*:*:*:*:*
wordpress wordpress 3.3.3 cpe:2.3:a:wordpress:wordpress:3.3.3:*:*:*:*:*:*:*
wordpress wordpress 3.4.0 cpe:2.3:a:wordpress:wordpress:3.4.0:*:*:*:*:*:*:*
wordpress wordpress 3.4.1 cpe:2.3:a:wordpress:wordpress:3.4.1:*:*:*:*:*:*:*
wordpress wordpress 3.4.2 cpe:2.3:a:wordpress:wordpress:3.4.2:*:*:*:*:*:*:*
wordpress wordpress 3.5.0 cpe:2.3:a:wordpress:wordpress:3.5.0:*:*:*:*:*:*:*
wordpress wordpress 3.5.1 cpe:2.3:a:wordpress:wordpress:3.5.1:*:*:*:*:*:*:*
wordpress wordpress 3.6 cpe:2.3:a:wordpress:wordpress:3.6:*:*:*:*:*:*:*
wordpress wordpress 3.6.1 cpe:2.3:a:wordpress:wordpress:3.6.1:*:*:*:*:*:*:*
wordpress wordpress 3.7 cpe:2.3:a:wordpress:wordpress:3.7:*:*:*:*:*:*:*
wordpress wordpress 3.7.1 cpe:2.3:a:wordpress:wordpress:3.7.1:*:*:*:*:*:*:*
wordpress wordpress 3.8 cpe:2.3:a:wordpress:wordpress:3.8:*:*:*:*:*:*:*
wordpress wordpress 3.8.1 cpe:2.3:a:wordpress:wordpress:3.8.1:*:*:*:*:*:*:*
wordpress wordpress 3.9.0 cpe:2.3:a:wordpress:wordpress:3.9.0:*:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:*:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:beta1:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:beta2:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:beta3:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:beta4:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:dev:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:rc1:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:rc2:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:rc3:*:*:*:*:*:*
drupal drupal 6.0 cpe:2.3:a:drupal:drupal:6.0:rc4:*:*:*:*:*:*
drupal drupal 6.1 cpe:2.3:a:drupal:drupal:6.1:*:*:*:*:*:*:*
drupal drupal 6.2 cpe:2.3:a:drupal:drupal:6.2:*:*:*:*:*:*:*
drupal drupal 6.3 cpe:2.3:a:drupal:drupal:6.3:*:*:*:*:*:*:*
drupal drupal 6.4 cpe:2.3:a:drupal:drupal:6.4:*:*:*:*:*:*:*
drupal drupal 6.5 cpe:2.3:a:drupal:drupal:6.5:*:*:*:*:*:*:*
drupal drupal 6.6 cpe:2.3:a:drupal:drupal:6.6:*:*:*:*:*:*:*
drupal drupal 6.7 cpe:2.3:a:drupal:drupal:6.7:*:*:*:*:*:*:*
drupal drupal 6.8 cpe:2.3:a:drupal:drupal:6.8:*:*:*:*:*:*:*
drupal drupal 6.9 cpe:2.3:a:drupal:drupal:6.9:*:*:*:*:*:*:*
drupal drupal 6.10 cpe:2.3:a:drupal:drupal:6.10:*:*:*:*:*:*:*
drupal drupal 6.11 cpe:2.3:a:drupal:drupal:6.11:*:*:*:*:*:*:*
drupal drupal 6.12 cpe:2.3:a:drupal:drupal:6.12:*:*:*:*:*:*:*
drupal drupal 6.13 cpe:2.3:a:drupal:drupal:6.13:*:*:*:*:*:*:*
drupal drupal 6.14 cpe:2.3:a:drupal:drupal:6.14:*:*:*:*:*:*:*
drupal drupal 6.15 cpe:2.3:a:drupal:drupal:6.15:*:*:*:*:*:*:*
drupal drupal 6.16 cpe:2.3:a:drupal:drupal:6.16:*:*:*:*:*:*:*
drupal drupal 6.17 cpe:2.3:a:drupal:drupal:6.17:*:*:*:*:*:*:*
drupal drupal 6.18 cpe:2.3:a:drupal:drupal:6.18:*:*:*:*:*:*:*
drupal drupal 6.19 cpe:2.3:a:drupal:drupal:6.19:*:*:*:*:*:*:*
drupal drupal 6.20 cpe:2.3:a:drupal:drupal:6.20:*:*:*:*:*:*:*
drupal drupal 6.21 cpe:2.3:a:drupal:drupal:6.21:*:*:*:*:*:*:*
drupal drupal 6.22 cpe:2.3:a:drupal:drupal:6.22:*:*:*:*:*:*:*
drupal drupal 6.23 cpe:2.3:a:drupal:drupal:6.23:*:*:*:*:*:*:*
drupal drupal 6.24 cpe:2.3:a:drupal:drupal:6.24:*:*:*:*:*:*:*
drupal drupal 6.25 cpe:2.3:a:drupal:drupal:6.25:*:*:*:*:*:*:*
drupal drupal 6.26 cpe:2.3:a:drupal:drupal:6.26:*:*:*:*:*:*:*
drupal drupal 6.27 cpe:2.3:a:drupal:drupal:6.27:*:*:*:*:*:*:*
drupal drupal 6.28 cpe:2.3:a:drupal:drupal:6.28:*:*:*:*:*:*:*
drupal drupal 6.29 cpe:2.3:a:drupal:drupal:6.29:*:*:*:*:*:*:*
drupal drupal 6.30 cpe:2.3:a:drupal:drupal:6.30:*:*:*:*:*:*:*
drupal drupal 6.31 cpe:2.3:a:drupal:drupal:6.31:*:*:*:*:*:*:*
drupal drupal 6.32 cpe:2.3:a:drupal:drupal:6.32:*:*:*:*:*:*:*
drupal drupal 7.0 cpe:2.3:a:drupal:drupal:7.0:*:*:*:*:*:*:*
drupal drupal 7.0 cpe:2.3:a:drupal:drupal:7.0:alpha1:*:*:*:*:*:*
drupal drupal 7.0 cpe:2.3:a:drupal:drupal:7.0:alpha2:*:*:*:*:*:*
drupal drupal 7.0 cpe:2.3:a:drupal:drupal:7.0:alpha3:*:*:*:*:*:*
drupal drupal 7.0 cpe:2.3:a:drupal:drupal:7.0:alpha4:*:*:*:*:*:*
drupal drupal 7.0 cpe:2.3:a:drupal:drupal:7.0:alpha5:*:*:*:*:*:*

References for CVE-2014-5266

cvelogic Threat Intelligence