CVE-2020-13666

MEDIUM

Drupal Core < 7.73, 8.8.0-8.8.9, 8.9.0-8.9.5, 9.0.0-9.0.5 - Cross-Site Scripting via AJAX API JSONP

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.drupal.org/sa-core-2020-007

Scores

CVSS v3 6.1
EPSS 0.0051
EPSS Percentile 66.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (3)
drupal/core 8.8.0 - 8.8.10Packagist
drupal/drupal 7.0 - 7.73
drupal/drupal 7.0.0 - 7.73Packagist
Published May 05, 2021
Tracked Since Feb 18, 2026