What is the CVSS score of CVE-2025-48447?

CVE-2025-48447 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2025-48447?

Within 24 hours: Identify all Drupal installations using Lightgallery module and document current versions; disable the Lightgallery module if not actively required. Within 7 days: Implement Web Application Firewall (WAF) rules to block XSS payloads targeting Lightgallery endpoints; restrict user input to Lightgallery galleries to trusted administrators only. Within 30 days: Upgrade Lightgallery to version 1.6.0 or later once available; conduct security audit of affected systems for signs of exploitation.

Lightgallery CVE-2025-48447

Q: Which versions of Lightgallery are affected by CVE-2025-48447?

A Cross-Site Scripting (XSS) vulnerability in Drupal Lightgallery (versions before 1.6.0) allows attackers to inject malicious scripts that execute in users' browsers, potentially compromising…. A patch is available.

EUVD-2025-18123 HIGH

Cross-site Scripting (XSS) (CWE-79)

2025-06-11 mlhess@drupal.org

GHSA-w5px-5878-m9x4

PHP XSS Drupal Lightgallery

7.1

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-79 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Output encoding, context-aware escaping MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS 7.1. EPSS 0.1%. No patch confirmed.
Exploit ScenarioDerived	An attacker could exploit this vulnerability in the affected application to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

A cross-site scripting vulnerability (CVSS 7.1). High severity vulnerability requiring prompt remediation.

Earlier versions of this analysis (1)

v1 Mar 14, 2026 - 21:09 CVSS 7.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Lightgallery allows Cross-Site Scripting (XSS).This issue affects Lightgallery: from 0.0.0

RemediationAI

Monitor vendor channels for patch availability.

Affected VersionsENISA

Lightgallery 0.0.0 <1.6.0

Affected Packages

composer drupal/lightgallery fix: 1.6.0

euvd lightgallery fix: 1.6.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in composer, euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

CWE-79 (Cross-site Scripting). CVSS 7.1 indicates high severity.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.1 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

CVE Published

Jun 11, 2025 - 15:15 nvd

HIGH 7.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Lightgallery allows Cross-Site Scripting (XSS).This issue affects Lightgallery: from 0.0.0 before 1.6.0.

Executive ViewAI

Why It Matters

A Cross-Site Scripting (XSS) vulnerability in Drupal Lightgallery (versions before 1.6.0) allows attackers to inject malicious scripts that execute in users' browsers, potentially compromising session data, credentials, and sensitive information. Organizations using this module are at immediate risk of account compromise and data theft until remediation is completed.

Business Impact: High

Compensating Controls

Disable Lightgallery module if functionality is not critical. Implement WAF rules to detect and block XSS payloads. Restrict gallery upload and configuration permissions to trusted administrators only. Enable Content Security Policy (CSP) headers to mitigate XSS impact. Monitor access logs for suspicious Lightgallery activity. When patch becomes available, apply immediately.

Threat Intelligence Overview

EPSS Score

0.1%

Top 74% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.1%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.