CVE-2026-96359: Drupal Webform color element cross-site scripting

CVE-2026-96359 · Severity: info · Published 2026-10-22

The Webform module for Drupal allows site administrators to build online forms and manage submissions. An insufficient sanitization flaw in the color element could allow an attacker who has placed a specially crafted link on the same page to inject malicious scripts, potentially compromising visitors' sessions or stealing sensitive form data.

Technologies: Drupal Webform, Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform. Vendors: Drupal, Packagist:Https://Packages.Drupal.Org/8.

Quick answers

Is CVE-2026-96359 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-96359 being exploited in the wild.
How severe is CVE-2026-96359?
Informational severity, published 22 October 2026.
Which products and versions are affected?
Drupal Webform <6.2.12 or >=6.3.0 <6.3.1; Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform ECOSYSTEM:introduced=0,fixed=6.2.12|ECOSYSTEM:introduced=6.3.0,fixed=6.3.1.
Is there a fix for CVE-2026-96359?
Yes. Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform: upgrade to 6.2.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-96359 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-96359?
Check whether you run Drupal Webform or Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Packagist:Https://Packages.Drupal.Org/8 Drupal/Webform: upgrade to 6.2.12 or later

Technical details

The vulnerability is a DOM-based or reflected XSS in the color element's attribute rendering due to inadequate sanitization. An attacker must be able to place a specially crafted link with a specific class on the same page as the webform to trigger the vulnerability. The issue affects versions before 6.2.12 and 6.3.0 through 6.3.0, with fixes available in 6.2.12 and 6.3.1.

Affected products

  • Drupal Webform <6.2.12 or >=6.3.0 <6.3.1

Identifiers

  • CVE-2026-96359
  • DRUPAL-CONTRIB-2026-159

Timeline

  • 2026-09-23: disclosed
  • 2026-09-23: patched: 6.2.12 and 6.3.1 releases

References

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