Stored Cross-Site Scripting Vulnerability in Firelight Lightbox Plugin for WordPress
CVE-2025-5035

5.4MEDIUM

Key Information:

Vendor

WordPress
Status
Firelight Lightbox
Vendor
CVE Published:
27 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5035?

A security issue exists in the Firelight Lightbox WordPress plugin prior to version 2.3.16, where the plugin fails to properly sanitize and escape title attributes. This vulnerability could lead to stored Cross-Site Scripting attacks, enabling users with contributor privileges to execute malicious scripts within the application, potentially compromising user sessions and delivering harmful content.

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Affected Version(s)

Firelight Lightbox 0 < 2.3.16

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-2025-5035 - Proof of Concept

References

https://wpscan.com/vulnerability/5dca30af-4624-4a71-93be-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pierre Rudloff
WPScan
JSON
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