CVE-2025-26871: wordpress essential-blocks Missing Authorization
CVSS: 8.8v3.1HighModified
Published 25-02-2025Last modified 28-04-2026
Vulnerability summary
CVE-2025-26871 is a high (CVSS 8.8) Missing Authorization vulnerability in wordpress essential-blocks. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.3% of scored vulnerabilities. Fixed in 4.8.4.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.41%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-02-2025PublishedVulnerability first disclosed.
- 28-04-2026Last 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 <= 4.8.3.
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 · 4.3–8.8
- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NDiffers
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.01 pp
From 0.40% on 18-09-2026
18-09-202618-10-2026
EPSS score0.41%
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< 4.8.4
- essential blocks for gutenberg≤ 4.8.3
Wordpress1 product
- essential-blocks≤ 4.8.3 (fixed in 4.8.4)
2 vendors · 3 products