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CVE-2014-5203

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-08-18 · updated 2026-06-17

Description

wp-includes/class-wp-customize-widgets.php in the widget implementation in WordPress 3.9.x before 3.9.2 might allow remote attackers to execute arbitrary code via crafted serialized data.

Affected products

• WordPress: 3.9.0, 3.9.1

References

• http://openwall.com/lists/oss-security/2014/08/13/3
• https://core.trac.wordpress.org/changeset/29389
• https://wordpress.org/news/2014/08/wordpress-3-9-2/
• http://openwall.com/lists/oss-security/2014/08/13/3
• https://core.trac.wordpress.org/changeset/29389
• https://wordpress.org/news/2014/08/wordpress-3-9-2/

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