Vulnerability · Published Oct 22, 2026 · Assigned by drupal

CVE-2026-96371Webform - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-166

Medium 5.4

In plain English

A medium-severity security flaw in Webform from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 85.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Privilege Defined With Unsafe Actions vulnerability in Drupal Webform allows Stored XSS. This issue affects Webform versions: from 0.0.0 to 6.2.12, from 6.3.0 to 6.3.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagist:https://packages.drupal.org/8drupal/webform6.2.12, 6.3.1DRUPAL-CONTRIB-2026-166

Affected products (as reported)

VendorProductVersions
Drupal Webform 0.0.0 – before 6.2.126.3.0 – before 6.3.1

Weakness: CWE-267 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References