Vulnerability · Published Oct 30, 2026 · Assigned by drupal
CVE-2026-107265Leaflet - Moderately critical - Cross site scripting - SA-CONTRIB-2026-204
Medium 5.4
In plain English
A medium-severity cross-site scripting in Leaflet 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 8% 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 92.4% 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 Leaflet allows Stored XSS. This issue affects Leaflet versions: from 0.0.0 to 10.4.13.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/leaflet | 10.4.13 | DRUPAL-CONTRIB-2026-204 |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N