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.

Remediation

References

CVE-2020-13666

Related Vulnerabilities

PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2013-4113)

WordPress Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2008-3233)

Apache HTTP Server Other Vulnerability (CVE-2001-0042)

MediaWiki Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-42046)

WordPress Plugin Companion Auto Update Cross-Site Scripting (2.9.3)

Severity

Medium

Classification

CVE-2020-13666 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities