VULNERABILITY INTELLIGENCE
CVE-2020-13666
CVSS score6.1 MEDIUM
EPSS probability2.93%
CISA KEVNot currently listed
Published2021-05-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
Cross-site scripting vulnerability in Drupal Core. Drupal AJAX API does not disable JSONP by default, allowing for an XSS attack. This issue affects: Drupal Drupal Core 7.x versions prior to 7.73; 8.8.x versions prior to 8.8.10; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.
Weakness classification
- nvd@nist.gov: CWE-79
Primary references
- mlhess@drupal.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory