CVE-2014-4664: Cross-site scripting (XSS) vulnerability in the Wordfence Security plugin before 5.1.4 for WordPress allows re

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MEDIUM 4.3DOWNGRADE

CVE-2014-4664 is a medium-severity flaw (CVSS 4.3) affecting wordfence security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the Wordfence Security plugin before 5.1.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the whoisval parameter on the WordfenceWhois page to wp-admin/admin.php.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-11-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wordfence security project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-11-06 15:55 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

wordfence security project wordfence security DOWNGRADE

Affected: 5.0.1 · 5.0.2 · 5.0.3 · 5.0.4 · 5.0.5 · 5.0.6 · 5.0.7 · 5.0.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.1

1. Check installed version

apt-cache policy wordfence-security || rpm -q wordfence-security || wordfence-security --version

2. No fixed release: DOWNGRADE to a release before 5.0.1 (Debian / Ubuntu)

apt-cache madison wordfence-security sudo apt install wordfence-security=<VERSION_BEFORE_5.0.1> sudo apt-mark hold wordfence-security

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wordfence-security sudo dnf downgrade wordfence-security-<VERSION_BEFORE_5.0.1> sudo dnf versionlock add wordfence-security

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-4664?

wordfence security: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-4664 being exploited?

CVE-2014-4664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-4664 affect?

CVE-2014-4664 affects wordfence security. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the Wordfence Security plugin before 5.1.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the whoisval parameter on the WordfenceWhois page to wp-admin/admin.php.

How urgent is CVE-2014-4664?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2022-3144 MEDIUM 4.4 UPGRADE The Wordfence Security – Firewall & Malware Scan plugin for WordPress is vulnerable to Stored Cross-Site Scrip
CVE-2014-4932 MEDIUM 6.1 UPGRADE Cross-site scripting (XSS) vulnerability in the Wordfence Security plugin before 5.1.5 for WordPress allows re

References

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