CVE-2020-13666
May 05, 2021
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.
Affected Packages
drupal/core (PHP):
Affected version(s) >=8.8.0 <8.8.10Fix Suggestion:
Update to version 8.8.10drupal/core (PHP):
Affected version(s) >=8.9.0 <8.9.6Fix Suggestion:
Update to version 8.9.6drupal/core (PHP):
Affected version(s) >=9.0.0 <9.0.6Fix Suggestion:
Update to version 9.0.6drupal/drupal (PHP):
Affected version(s) >=8.9.0 <8.9.6Fix Suggestion:
Update to version 8.9.6drupal/drupal (PHP):
Affected version(s) >=9.0.0 <9.0.6Fix Suggestion:
Update to version 9.0.6drupal/drupal (PHP):
Affected version(s) >=8.8.0 <8.8.10Fix Suggestion:
Update to version 8.8.10Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
CVSS v2
Base Score:
4.3
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.51
