CVE-2023-51360: Missing Authorization vulnerability in WPDeveloper Essential Blocks for Gutenberg essential-blocks allows Expl

Q: How do I fix CVE-2023-51360?

essential blocks: upgrade to 4.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-51360 being exploited?

CVE-2023-51360 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-2023-51360 affect?

CVE-2023-51360 affects essential blocks. Severity is medium (CVSS 6.5). Missing Authorization vulnerability in WPDeveloper Essential Blocks for Gutenberg essential-blocks allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Essential Blocks for Gutenberg: from n/a through <

Q: How urgent is CVE-2023-51360?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2023-51360 is a medium-severity flaw (CVSS 6.5) affecting essential blocks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing Authorization vulnerability in WPDeveloper Essential Blocks for Gutenberg essential-blocks allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Essential Blocks for Gutenberg: from n/a through <= 4.2.0.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-862
Published	2024-12-09
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: wpdeveloper

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

Am I affected?

Timeline

2024-12-09 13:15 UTCPublished CVE record published
2026-06-17 06:40 UTCUpdated Record last modified

wpdeveloper essential blocks UPGRADE

Affected: < 4.2.1

Fixed in: 4.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade essential-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-2023-51360?

essential blocks: upgrade to 4.2.1. Exact commands for each OS are on this page.

Is CVE-2023-51360 being exploited?

CVE-2023-51360 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-2023-51360 affect?

CVE-2023-51360 affects essential blocks. Severity is medium (CVSS 6.5). Missing Authorization vulnerability in WPDeveloper Essential Blocks for Gutenberg essential-blocks allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Essential Blocks for Gutenberg: from n/a through <

How urgent is CVE-2023-51360?

Priority 35/100. No elevated risk signals yet.

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References

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