Vulnerability · Published Oct 22, 2026 · Assigned by drupal
CVE-2026-96358Webform - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-158
Medium 4.6
In plain English
A medium-severity cross-site scripting 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 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.2%top 87.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Webform allows Cross-Site Scripting (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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/webform | 6.2.12, 6.3.1 | DRUPAL-CONTRIB-2026-158 |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N