The Like Button Rating ♥ LikeBtn WordPress plugin before 2.6.38 does not have any authorisation and CSRF checks in the likebtn_export_votes AJAX action, which could allow any authenticated user, such as subscriber, to get a list of email and IP addresses of people who liked content from the blog.
CVE-2021-24945 is a medium severity with CVSS 6.5 Cross-Site Request Forgery issue affecting the Plugin Like Button Rating ♥ LikeBtn. It affects Versions up to 2.6.37 and is fixed in 2.6.38.
Use the related hub and response guides to connect this CVE-2021-24945 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.
CVE-2021-24945 is tracked for the Plugin Like Button Rating ♥ LikeBtn as medium severity with CVSS 6.5. The affected range is Versions up to 2.6.37. Update Like Button Rating ♥ LikeBtn to 2.6.38 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 has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
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 2.6.37.
Confirm Like Button Rating ♥ LikeBtn is updated to 2.6.38 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 |
likebtn-like-button
View on wordpress.org
|
| CVE | CVE-2021-24945 |
| Patched Versions |
2.6.38
|
| Affected Versions |
Versions up to 2.6.37
|
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.
Like Button Rating ♥ LikeBtn < 2.6.32 - Server-Side Request Forgery
Like Button Rating <= 2.6.53 - Cross-Site Request Forgery
Like Button Rating ♥ LikeBtn <= 2.6.44 - Arbitrary e-mail Sending
Like Button Rating <= 2.5.3 - Arbitrary Settings Change
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