CVE-2023-51359: wordpress essential-blocks Missing Authorization
CVSS: 8.8v3.1HighModified
Published 09-12-2024Last modified 29-04-2026
Vulnerability summary
CVE-2023-51359 is a high (CVSS 8.8) Missing Authorization vulnerability in wordpress essential-blocks. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.2% of scored vulnerabilities. Fixed in 4.2.1.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.59%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-12-2024PublishedVulnerability first disclosed.
- 29-04-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 5.4–8.8
- CVE.orgCNA5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:LDiffers
- wordfenceSource5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.59%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
0.00 pp
From 0.59% on 19-09-2026
19-09-202619-10-2026
EPSS score0.59%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wpdeveloper2 products
- essential_blocks< 4.2.1
- essential blocks for gutenberg≤ 4.2.0
Wordpress1 product
- essential-blocks≤ 4.2.0 (fixed in 4.2.1)
2 vendors · 3 products