CVE-2020-13666

6.1 mediumEPSS 2.9%

Medium (6.1) in drupal drupal. EPSS 2.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 2.9% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-05-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

drupal:drupal

References

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

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