CVE-2020-13666

MediumCVSS 6.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Drupal	Drupal Core	>= 7.x, < 7.73; >= 8.8.x, < 8.8.10; >= 8.9.x, < 8.9.6; >= 9.0.x, < 9.0.6

References

https://www.drupal.org/sa-core-2020-007Vendor Advisory
https://www.drupal.org/sa-core-2020-007Vendor Advisory

Timeline

Published: May 5, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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