Stored Cross-Site Scripting Vulnerability in Responsive Lightbox & Gallery Plugin by WordPress
CVE-2025-3742

6.8MEDIUM

Key Information:

Vendor

WordPress
Status
Responsive Lightbox & Gallery
Vendor
CVE Published:
15 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3742?

The Responsive Lightbox & Gallery plugin for WordPress prior to version 2.5.1 contains a vulnerability that fails to properly validate and escape certain attributes before outputting them. This oversight permits users with contributor privileges or higher to exploit the site through Stored Cross-Site Scripting attacks. Such vulnerabilities can lead to unauthorized script execution, jeopardizing the security and integrity of the affected website.

Affected Version(s)

Responsive Lightbox & Gallery 0 < 2.5.1

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-2025-3742 - Proof of Concept

References

https://wpscan.com/vulnerability/5b8f487b-63a5-4d2a-9b61-...
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
.