Medium severity · published May 5, 2021
CVE-2020-13666
Cross-site scripting vulnerability in Drupal Core
6.1
CVSS
2.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
7.0 before 7.73; 8.8.0 before 8.8.10; 8.9.0 before 8.9.6; 9.0.0 before 9.0.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13666
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13666
Vendor Advisory
https://www.drupal.org/sa-core-2020-007
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