Arbitrary JavaScript Execution in Firelight Lightbox Plugin for WordPress
CVE-2025-3597

5.9MEDIUM

Key Information:

Vendor

WordPress
Status
Firelight Lightbox
Vendor
CVE Published:
12 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3597?

The Firelight Lightbox plugin for WordPress suffers from a vulnerability that allows users with post writing capabilities to execute arbitrary JavaScript code. This occurs when the jQuery Metadata library is enabled, which should only be accessible to Pro version users; however, it can also be activated within the free version. This flaw can potentially expose WordPress sites to malicious attacks, as it allows unauthorized actions to be performed on the affected platform.

Affected Version(s)

Firelight Lightbox 0 < 2.3.15

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-2025-3597 - Proof of Concept

References

https://wpscan.com/vulnerability/8bf5e107-6397-4946-aaee-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.9
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

Pierre Rudloff
WPScan
.
CVE-2025-3597 : Arbitrary JavaScript Execution in Firelight Lightbox Plugin for WordPress