Home/CVE/Cross Site Request Forgery vulnerability in Drupal Core Form API does not properly handle certain form input from cross-
CVE

CVE-2020-13663

Cross Site Request Forgery vulnerability in Drupal Core Form API does not properly handle certain form input from cross-

Cross Site Request Forgery vulnerability in Drupal Core Form API does not properly handle certain form input from cross-site requests, which can lead to other vulnerabilities.

HIGH · CVSS 8.8 EPSS 0.00155
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-352Cross-Site Request Forgery (CSRF)
▤

Affected Products & Versions

4
drupal>= 7.0 and < 7.72
drupal>= 8.8.0 and < 8.8.8
drupal>= 8.9.0 and < 8.9.1
drupal>= 9.0.0 and < 9.0.1
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist drupal/core HIGH fixed in 8.9.1
Packagist drupal/drupal HIGH fixed in 7.72
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · mlhess@drupal.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jun 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.drupal.org/sa-core-2020-004Vendor Advisory
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