CVE-2014-4564: Cross-site scripting (XSS) vulnerability in check.php in the Validated plugin 1.0.2 and earlier for WordPress

Q: How do I fix CVE-2014-4564?

validated plugin: upgrade to newer than 1.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2014-4564 being exploited?

CVE-2014-4564 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-4564 affect?

CVE-2014-4564 affects validated plugin. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in check.php in the Validated plugin 1.0.2 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the slug parameter.

Q: How urgent is CVE-2014-4564?

Priority 39/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2014-4564 is a medium-severity flaw (CVSS 4.3) affecting validated plugin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in check.php in the Validated plugin 1.0.2 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the slug parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-07-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: validated plugin project

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

Am I affected?

Timeline

2014-07-01 14:55 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

validated plugin project validated plugin UPGRADE

Affected: <= 1.0.2

Fixed in: newer than 1.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy validated-plugin || rpm -q validated-plugin || validated-plugin --version

2. UPGRADE to newer than 1.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade validated-plugin

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade validated-plugin

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2014-4564?

validated plugin: upgrade to newer than 1.0.2. Exact commands for each OS are on this page.

Is CVE-2014-4564 being exploited?

CVE-2014-4564 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-2014-4564 affect?

CVE-2014-4564 affects validated plugin. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in check.php in the Validated plugin 1.0.2 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the slug parameter.

How urgent is CVE-2014-4564?

Priority 39/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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