How to fix CVE-2025-5035?

Within 30 days: Identify affected systems running before 2.3.16 does not sanitise and escape title attributes and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Firelight Lightbox affected by CVE-2025-5035?

Organizations using before 2.3.16 does not sanitise and escape title attributes should be aware of moderate risk from CVE-2025-5035, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

CVE-2025-5035

EUVD-2025-19255 MEDIUM

2025-06-27 [email protected]

WordPress XSS Firelight Lightbox PHP

5.4

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

patch_available

Apr 16, 2026 - 05:29 EUVD

2.3.16

Analysis Generated

Mar 16, 2026 - 00:16 vuln.today

EUVD ID Assigned

Mar 16, 2026 - 00:16 euvd

EUVD-2025-19255

PoC Detected

Jul 01, 2025 - 17:43 vuln.today

Public exploit code

CVE Published

Jun 27, 2025 - 06:15 nvd

MEDIUM 5.4

DescriptionNVD

The Firelight Lightbox WordPress plugin before 2.3.16 does not sanitise and escape title attributes before outputting them in the page, which could allow users with a role as low as contributors to perform stored Cross-Site Scripting attacks.

AnalysisAI

Technical ContextAI

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

RemediationAI

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

CVE-2025-5035 vulnerability details – vuln.today

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