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Fencer Vulns
high 8.8

CVE-2020-13663 json

Drupal Core Cross-Site Request Forgery (CSRF) vulnerability

published 2020-06-17 6 y ago modified 2026-09-19 50 d ago also BIT-drupal-2020-13663 , DRUPAL-CORE-2020-004 , EUVD-2022-4500 , GHSA-m648-hpf8-qcjw

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist drupal/core 7.72, 8.8.8, 8.9.1, 9.0.1
  • packagist drupal/drupal 7.72, 8.8.8, 8.9.1, 9.0.1
  • bitnami drupal 7.72.0, 8.8.8, 8.9.1, 9.0.1
  • Drupal Drupal Core 7.72, 8.8.8, 8.9.1, 9.0.1
  • drupal7 Alpine 3.20, Alpine 3.19, Alpine 3.18 +7 more 7.72-r0

alpine advisories ALPINE-CVE-2020-13663

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-13663 updated cvss 4.8

drupal7: Form API does not properly handle certain form input from cross-site requests

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist drupal/core
>=8.9.0, <8.9.1
>=9.0.0, <9.0.1
>=7.0.0, <7.72
>=8.0.0, <8.8.8
8.9.1
9.0.1
7.72
8.8.8
packagist drupal/drupal
>=7.0.0, <7.72
>=8.0.0, <8.8.8
>=8.9.0, <8.9.1
>=9.0.0, <9.0.1
7.72
8.8.8
8.9.1
9.0.1
bitnami drupal
>=7.0.0, <7.72.0
>=8.8.0, <8.8.8
>=8.9.0, <8.9.1
>=9.0.0, <9.0.1
7.72.0
8.8.8
8.9.1
9.0.1

Affected products

  • Drupal Drupal Core

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.