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WordPress plugin

WP Lead Plus X <= 0.98 — Stored Cross-Site Scripting

CVE-2020-11509Published · Updated

Action summary

Affected: ≤0.98Update to 0.99 or newer

All remediation steps
Watch plugin
Severity
High7.2
CVSS
7.2
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X free-sales-funnel-squeeze-pages-landing-page-builder-templates-make

  1. Affected≤ 0.98
  2. Patched in0.99

Update to 0.99 or newer.

You are affected if you run ≤ 0.98. Version 0.99 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 0.99, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Ram.

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).

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X

All 3
More vulnerabilities in WordPress Landing Page – Squeeze Page – Responsive Landing Page Builder Free – WP Lead Plus X
SeverityVulnerabilityCVEPublished
Medium5.4Authenticated Stored Cross-Site Scripting
<0.99Update to 0.99
CVE-2020-11508
High8.3Cross-Site Request Forgery
≤0.99No patch available
CVE-2020-36839

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
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
CVE-2026-120688
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
CVE-2026-125055
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
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 7.2

  2. 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.

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