UpHeron
All vulnerabilities

Servers and applications

CVE-2020-13666

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
Medium 6.1
Published
5 May 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.73, 8.8.10, 8.9.6, 9.0.6
Sources
NVD

Affected software

SoftwareAffected versions
DrupalServers and applications · cpe:a:drupal:drupal
  • From 7.0 before 7.73
  • From 8.8.0 before 8.8.10
  • From 8.9.0 before 8.9.6
  • From 9.0.0 before 9.0.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-13666
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-13666