CVE-2014-5203

7.5 HIGH 4% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 3.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2014-08-18 11:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:11 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.9% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2014-08-18 11:15 UTC
Last modified: 2026-06-17 00:11 UTC
Exploit probability: 3.9% · EPSS, next 30 days
Record status: Modified

Affected

WordPress 3.9.0
WordPress 3.9.1

Attack profile CVSS 2.0 · 7.5

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2014-5203.md and follow it. Check whether this project is affected by CVE-2014-5203. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record