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Yoast SEO Premium <= 26.6 — Missing Authorization

CVE-2026-40722Published · Updated

Action summary

Affected: ≤26.6Update to 26.7 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Yoast SEO Premium wordpress-seo-premium

  1. Affected≤ 26.6
  2. Patched in26.7

Update to 26.7 or newer.

You are affected if you run ≤ 26.6. Version 26.7 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Yoast SEO Premium.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 26.7, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Yoast SEO Premium to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to ilicfilip.

The Yoast SEO Premium plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 26.6. This makes it possible for authenticated attackers, with author-level access and above, to perform an unauthorized action.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Yoast SEO Premium

All 4
More vulnerabilities in Yoast SEO Premium
SeverityVulnerabilityCVEPublished
High8.8Authenticated (Author+) Remote Code Execution
≤27.6.0Update to 27.6.1
CVE-2026-10821
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
25.7 – 25.9Update to 26.0
CVE-2025-11241
Medium5.3Missing Authorization to Zapier Key Reset
≤20.4Update to 20.5
CVE-2023-28775

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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