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MEDIUM severity

Drupal Lightgallery Cross-site Scripting vulnerabilityGHSA-w5px-5878-m9x4

MEDIUM

GHSA-w5px-5878-m9x4 is a medium-severity (CVSS 6.3) Cross-site Scripting (XSS) vulnerability in drupal/lightgallery. A fix is available for drupal/lightgallery — see the affected versions and patch details below.

Also known asCVE-2025-48447DRUPAL-CONTRIB-2025-069
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-w5px-5878-m9x4.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs27th percentile — riskier than 27% of all scored CVEsHighest risk
0.00%0.28%0.56%0.83%0.3%0.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘drupal/lightgallery

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistdrupal/lightgalleryall versions1.6.0composer require drupal/lightgallery:^1.6.0

Affected Products

1 product · 1 configurations
Application
lightgallerylightgallery_project
< 1.6.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for drupal/lightgallery, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update drupal/lightgallery to 1.6.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-w5px-5878-m9x4 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

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Drupal Lightgallery Cross-site Scripting vulnerability