The Contextual Related Posts plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the crp_ajax_clearcache function in versions up to, and including, 3.3.1. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to clear the Contextual Related Posts cache.
This vulnerability is a medium severity with CVSS 4.3 Vulnerability issue affecting the Plugin Contextual Related Posts. It affects Versions up to 3.3.1 and is fixed in 3.3.2.
Use the related hub and response guides to connect this vulnerability report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
the tracked vulnerability is tracked for the Plugin Contextual Related Posts as medium severity with CVSS 4.3. The affected range is Versions up to 3.3.1. Update Contextual Related Posts to 3.3.2 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report uses the upstream feed identifier because a CVE has not been attached to the record yet.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 3.3.1.
Confirm Contextual Related Posts is updated to 3.3.2 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
contextual-related-posts
View on wordpress.org
|
| CVE | No linked CVE entry. |
| Patched Versions |
3.3.2
|
| Affected Versions |
Versions up to 3.3.1
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Contextual Related Posts < 1.8.10.2 - SQL Injection
Contextual Related Posts <= 1.8.6 - Cross-Site Request Forgery to Cross-Site Scripting
Contextual Related Posts <= 4.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'other_attributes'
Contextual Related Posts <= 4.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
Contextual Related Posts <= 3.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attribute
Contextual Related Posts < 4.2.2 - Missing Authorization
Contextual Related Posts <= 3.3.1 - Cross-Site Request Forgery in crpClearCache
Contextual Related Posts <= 2.9.3 - Cross-Site Request Forgery
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