Search for vulnerabilities
Vulnerability details: VCID-r59n-9m89-8qbg
Vulnerability ID VCID-r59n-9m89-8qbg
Aliases CVE-2020-13669
GHSA-c533-c843-67h8
Summary Drupal core Cross-site Scripting (XSS) vulnerability in ckeditor Cross-site Scripting (XSS) vulnerability in ckeditor of Drupal Core allows attacker to inject XSS. This issue affects: Drupal Core 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2020-13669
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-c533-c843-67h8
cvssv3.1 6.1 https://github.com/drupal/core
generic_textual MODERATE https://github.com/drupal/core
cvssv3.1 6.1 https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13669.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13669.yaml
cvssv3.1 6.1 https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13669.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13669.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-13669
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-13669
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-13669
cvssv3.1 6.1 https://www.drupal.org/sa-core-2020-010
generic_textual MODERATE https://www.drupal.org/sa-core-2020-010
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-13669
https://github.com/drupal/core
https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13669.yaml
https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13669.yaml
https://nvd.nist.gov/vuln/detail/CVE-2020-13669
https://www.drupal.org/sa-core-2020-010
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
GHSA-c533-c843-67h8 https://github.com/advisories/GHSA-c533-c843-67h8
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/drupal/core
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13669.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13669.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-13669
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-13669
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.drupal.org/sa-core-2020-010
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.66059
EPSS Score 0.00526
Published At Aug. 16, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:02:49.560428+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-c533-c843-67h8/GHSA-c533-c843-67h8.json 37.0.0