Stored Cross-Site Scripting in WP Lightbox 2 Plugin by WordPress
CVE-2026-1430

4.8MEDIUM

Key Information:

Vendor

WordPress
Status
WP Lightbox 2
Vendor
CVE Published:
26 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1430?

The WP Lightbox 2 plugin for WordPress prior to version 3.0.7 fails to properly sanitize and escape various settings. This oversight could potentially allow users with elevated privileges, such as administrators, to execute stored cross-site scripting (XSS) attacks, even in environments where the unfiltered_html capability is restricted, such as on multisite installations. It is crucial for site administrators to upgrade to the latest version to mitigate the risk associated with this vulnerability.

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Deploy the Patch

Affected Version(s)

WP Lightbox 2 0 < 3.0.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1430 - Proof of Concept

References

https://wpscan.com/vulnerability/e0536061-140d-47eb-9e8b-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Krugov Artyom
WPScan
JSON
.