Like Button Rating <= 2.6.37 — Unauthorised Vote Export to Email & IP Addresses Disclosure
CVE-2021-24945Published · Updated Action summary
Affected: ≤2.6.37Update to 2.6.38 or newer
All remediation steps- Severity
- Medium6.5
- CVSS
- 6.5CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:NIntegrity- None
A:NAvailability- None
- Weakness
- CWE-200 Information Exposure
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Like Button Rating ♥ LikeBtn likebtn-like-button
- Affected≤ 2.6.37
- Patched in2.6.38
Update to 2.6.38 or newer.
You are affected if you run ≤ 2.6.37. Version 2.6.38 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Like Button Rating ♥ LikeBtn.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 2.6.38, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Like Button Rating ♥ LikeBtn to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Krzysztof Zając.
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.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Like Button Rating ♥ LikeBtn
All 7| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.7 | Unauthenticated Stored Cross-Site Scripting via 'Client-IP' Header ≤2.6.64Update to 2.6.65 | CVE-2026-116552 | |
| Medium6.5 | Authenticated (Subscriber+) SQL Injection ≤2.6.61Update to 2.6.62 | CVE-2026-78285 | |
| Medium6.1 | Cross-Site Request Forgery ≤2.6.53Update to 2.6.54 | CVE-2024-44064 | |
| Medium5.0 | Arbitrary e-mail Sending ≤2.6.44Update to 2.6.45 | CVE-2022-0745 | |
| High7.5 | Server-Side Request Forgery <2.6.32Update to 2.6.32 | CVE-2021-24150 |
- Medium4.7Unauthenticated Stored Cross-Site Scripting via 'Client-IP' Header
≤2.6.64Update to 2.6.65
- Medium6.5Authenticated (Subscriber+) SQL Injection
≤2.6.61Update to 2.6.62
- Medium6.1Cross-Site Request Forgery
≤2.6.53Update to 2.6.54
- Medium5.0Arbitrary e-mail Sending
≤2.6.44Update to 2.6.45
- High7.5Server-Side Request Forgery
<2.6.32Update to 2.6.32
Same weakness (Information Exposure)
All Information Exposure| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- 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
- 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
- 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
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 6.5
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. 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.