Unauthenticated XSS Vulnerability in Landing Page Builder by WordPress
CVE-2026-57337

7.1HIGH

Key Information:

Vendor

WordPress
Status
Landing Page Builder
Vendor
CVE Published:
29 June 2026

What is CVE-2026-57337?

An unauthenticated Cross Site Scripting (XSS) vulnerability exists in the Landing Page Builder plugin for WordPress, specifically in versions up to 1.5.3.5. This flaw allows attackers to inject malicious scripts into web pages, which can be executed in the context of users visiting those pages. Exploiting this vulnerability can lead to session hijacking, data theft, or other malicious actions that could compromise user security and trust.

Affected Version(s)

Landing Page Builder <= 1.5.3.5

References

https://patchstack.com/database/wordpress/plugin/page-bui...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

HaiND | Patchstack Bug Bounty Program
.