Vulnerability · Published Oct 30, 2026 · Assigned by drupal
CVE-2026-114538Bootstrap - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-236
Unrated
In plain English
A cross-site scripting in Bootstrap 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 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 94.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Bootstrap allows Cross-Site Scripting (XSS). This issue affects Bootstrap versions: from 0.0.0 to 3.45.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/bootstrap | 3.45.0 | DRUPAL-CONTRIB-2026-236 |
Affected products (as reported)
Weakness: CWE-79