CVE-2024-3564: The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Local File Inclusion in all vers

Q: How do I fix CVE-2024-3564?

content blocks: upgrade to 3.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-3564 being exploited?

CVE-2024-3564 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-2024-3564 affect?

CVE-2024-3564 affects content blocks. Severity is high (CVSS 8.8). The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 3.3.0 via the plugin's 'content_block' shortcode. This makes it possible for authenticated attackers, w

This month

HIGH 8.8UPGRADE

CVE-2024-3564 is a high-severity flaw (CVSS 8.8) affecting content blocks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 3.3.0 via the plugin's 'content_block' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-98, CWE-552
Published	2024-06-01
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: vanderwijk

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

Am I affected?

Timeline

2024-06-01 04:15 UTCPublished CVE record published
2026-06-17 07:44 UTCUpdated Record last modified

vanderwijk content blocks UPGRADE

Affected: < 3.3.1

Fixed in: 3.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy content-blocks || rpm -q content-blocks || content-blocks --version

2. UPGRADE to 3.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade content-blocks

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade content-blocks

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-2024-3564?

content blocks: upgrade to 3.3.1. Exact commands for each OS are on this page.

Is CVE-2024-3564 being exploited?

CVE-2024-3564 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-2024-3564 affect?

CVE-2024-3564 affects content blocks. Severity is high (CVSS 8.8). The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 3.3.0 via the plugin's 'content_block' shortcode. This makes it possible for authenticated attackers, w

How urgent is CVE-2024-3564?

Priority 43/100. High severity

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2024-6432 MEDIUM 6.4 UPGRADE The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via
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CVE-2024-3565 MEDIUM 6.4 UPGRADE The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via
CVE-2024-34566 MEDIUM 6.5 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Johan va

References

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