The Coupon Creator plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.1. This is due to missing or incorrect nonce validation on the save_meta() function. This makes it possible for unauthenticated attackers to save meta fields via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVE-2020-36751 is a medium severity with CVSS 4.3 Cross-Site Request Forgery issue affecting the Plugin Coupon Creator. It affects Versions before 3.1.1 and is fixed in 3.1.1.
Use the related hub and response guides to connect this CVE-2020-36751 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-2020-36751 is tracked for the Plugin Coupon Creator as medium severity with CVSS 4.3. The affected range is Versions before 3.1.1. Update Coupon Creator to 3.1.1 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 before 3.1.1.
Confirm Coupon Creator is updated to 3.1.1 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 |
coupon-creator
View on wordpress.org
|
| CVE | CVE-2020-36751 |
| Patched Versions |
3.1.1
|
| Affected Versions |
Versions before 3.1.1
|
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