Stored XSS Flaw in LightPress Lightbox Plugin for WordPress
CVE-2025-3649

6.8MEDIUM

Key Information:

Vendor

WordPress
Status
Lightpress Lightbox
Vendor
CVE Published:
12 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3649?

The LightPress Lightbox plugin for WordPress, preceding version 2.3.4, is susceptible to a stored XSS vulnerability due to insufficient validation of download links. This flaw permits users with a contributor role to craft malicious entries that can execute scripts when links are accessed, potentially compromising site security. It is crucial for users to update to the latest version to mitigate this risk and secure their WordPress installations.

Affected Version(s)

LightPress Lightbox 0 < 2.3.4

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-2025-3649 - Proof of Concept

References

https://wpscan.com/vulnerability/37fb7f3b-1766-4c2c-9b78-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pierre Rudloff
WPScan
.