Radar sectionsDatabase
Check my site
WordPress plugin

Contextual Related Posts <= 4.5.3 — Missing Authorization

CVE-2026-121724Published · Updated

Action summary

Affected: ≤4.5.3Update to 4.5.4 or newer

All remediation steps
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

Am I affected?

Contextual Related Posts contextual-related-posts

  1. Affected≤ 4.5.3
  2. Patched in4.5.4

Update to 4.5.4 or newer.

You are affected if you run ≤ 4.5.3. Version 4.5.4 and later are not affected by this issue.

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

What to do

  1. Update to version 4.5.4, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Contextual Related Posts to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to nizar yart.

The Contextual Related Posts plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 4.5.3. This is due to a missing capability check on a function. This makes it possible for authenticated attackers, with contributor-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 Contextual Related Posts

All 11
More vulnerabilities in Contextual Related Posts
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Author+) Stored Cross-Site Scripting via 'other_attributes' Block Parameter
≤4.4.1Update to 4.4.2
CVE-2026-85653
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'other_attributes'
≤4.2.1Update to 4.2.2
CVE-2026-2986
Medium5.3Missing Authorization
<4.2.2Update to 4.2.2
CVE-2026-32565
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤4.0.2Update to 4.0.3
CVE-2025-47506
Medium4.3Missing Authorization in crp_ajax_clearcache
≤3.3.1Update to 3.3.2
—

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-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.

How we use these sources

Search VulnCrest Radar

Are you sure?