An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows remote attackers to upload page templates containing arbitrary JavaScript via the c37_wpl_import_template admin-post action (which will execute in an administrator's browser if the template is used to create a page).
CVE-2020-11509 is a high severity with CVSS 7.2 Stored Cross-Site Scripting issue affecting the Plugin WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X. It affects Versions up to 0.98 and is fixed in 0.99.
Use the related hub and response guides to connect this CVE-2020-11509 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-2020-11509 is tracked for the Plugin WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X as high severity with CVSS 7.2. The affected range is Versions up to 0.98. Update WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X to 0.99 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 0.98.
Confirm WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X is updated to 0.99 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 |
free-sales-funnel-squeeze-pages-landing-page-builder-templates-make
View on wordpress.org
|
| CVE | CVE-2020-11509 |
| Patched Versions |
0.99
|
| Affected Versions |
Versions up to 0.98
|
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.
WP Lead Plus X <= 0.99 - Cross-Site Request Forgery
WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X <= 0.98 - Authenticated Stored Cross-Site Scripting
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