5.5

CVE-2026-40722: WordPress Yoast SEO Premium plugin <= 26.6 - Broken Access Control vulnerability

Deferred
Published 17-06-2026Last modified 17-06-2026

Vulnerability summary

CVE-2026-40722 is a medium (CVSS 5.5) Missing Authorization vulnerability in wordpress wordpress-seo-premium. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.4% of scored vulnerabilities. Fixed in 26.7.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 17-06-2026
    PublishedVulnerability first disclosed.
  2. 17-06-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in Yoast BV Yoast SEO Premium allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Yoast SEO Premium: from n/a through 26.6.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

Increase +0.13 pp

From 0.19% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Wordpress1 product
  • wordpress-seo-premium≤ 26.6 (fixed in 26.7)
Yoast bv1 product

2 vendors · 2 products

References

2 links