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GHSA-5r66-vgc7-2mm3medium6.1

Drupal Formatter Suite Vulnerable to Cross-Site Scripting (XSS) via Link Element Attributes

Impact

Formatter Suite provides a suite of field formatters to help present numbers, dates, times, text, links, entity references, files, and images. The module provides a custom formatter for link fields.

Source excerpt · OSV
Applies when

A separate fix for Drupal core has been released but this module requires a concurrent release to make use of the Drupal core fix. This vulnerability is mitigated by that fact that an attacker would need to have the ability to add specific attributes to a Link field, which typically requires edit access via core web services, or a contrib or custom module.

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

drupal/formatter_suite Packagist
Affected rangeRecorded fix
Earlier releases before 2.1.0Ecosystem versions2.1.0

Version evidence: OSV · GHSA-5r66-vgc7-2mm3

View original version evidence (0 explicit versions)
drupal/formatter_suite Packagist:https://packages.drupal.org/8
Affected rangeRecorded fix
Earlier releases before 2.1.0Ecosystem versions2.1.0

Version evidence: OSV · DRUPAL-CONTRIB-2025-026

View original version evidence (0 explicit versions)

Original source description

Formatter Suite provides a suite of field formatters to help present numbers, dates, times, text, links, entity references, files, and images. The module provides a custom formatter for link fields.

Drupal core does not sufficiently sanitize link element attributes, which can lead to a Cross Site Scripting vulnerability (XSS).

A separate fix for Drupal core has been released but this module requires a concurrent release to make use of the Drupal core fix.

This vulnerability is mitigated by that fact that an attacker would need to have the ability to add specific attributes to a Link field, which typically requires edit access via core web services, or a contrib or custom module.

References