Vulnerability · Published Jul 10, 2026 · Assigned by drupal
CVE-2026-15084UI Patterns (SDC in Drupal UI) - Moderately critical - Cross site scripting - SA-CONTRIB-2026-075
Medium 5.4
In plain English
A medium-severity cross-site scripting in UI Patterns (SDC in Drupal UI) 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 14% 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 86.0% 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 UI Patterns (SDC in Drupal UI) allows Stored XSS. This issue affects UI Patterns (SDC in Drupal UI) versions: from 2.0.0 to 2.0.17.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/ui_patterns | 2.0.17 | DRUPAL-CONTRIB-2026-075 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | UI Patterns (SDC in Drupal UI) | 2.0.0 – before 2.0.17 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N