How severe is CVE-2014-5240?

CVE-2014-5240 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2014-5240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-5240?

CVE-2014-5240 primarily affects Wordpress. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-5240?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-5240 published?

CVE-2014-5240 was published on 2014-08-18 and last updated on 2026-06-17.

CVE-2014-5240

CVE-2014-5240 is a low-severity vulnerability in Wordpress with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wordpress
Published: 2014-08-18
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in wp-includes/pluggable.php in WordPress before 3.9.2, when Multisite is enabled, allows remote authenticated administrators to inject arbitrary web script or HTML, and obtain Super Admin privileges, via a crafted avatar URL.

Frequently asked questions

What is CVE-2014-5240?: Cross-site scripting (XSS) vulnerability in wp-includes/pluggable.php in WordPress before 3.9.2, when Multisite is enabled, allows remote authenticated administrators to inject arbitrary web script or HTML, and obtain Super Admin privileges, via a crafted avatar URL.
How severe is CVE-2014-5240?: CVE-2014-5240 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2014-5240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-5240?: CVE-2014-5240 primarily affects Wordpress. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-5240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-5240 published?: CVE-2014-5240 was published on 2014-08-18 and last updated on 2026-06-17.

References

Affected products (33)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.2:beta1:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.6:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.7:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.8:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.8.1:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:3.9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

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