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Vulnerability details: VCID-ekfd-wp8z-d7e1
Vulnerability ID VCID-ekfd-wp8z-d7e1
Aliases CVE-2021-32669
GHSA-rgcg-28xm-8mmw
Summary Cross-site Scripting TYPO3 is an open source PHP based web content management system. have a cross-site scripting vulnerability. When settings for _backend layouts_ are not properly encoded, the corresponding grid view is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 contain a patch for this vulnerability.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
epss 0.00374 https://api.first.org/data/v1/epss?cve=CVE-2021-32669
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-rgcg-28xm-8mmw
cvssv3.1 6.4 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32669.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32669.yaml
cvssv3.1 6.4 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32669.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32669.yaml
cvssv3.1 6.4 https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw
cvssv3.1_qr MODERATE https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw
generic_textual MODERATE https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw
cvssv3.1 6.4 https://nvd.nist.gov/vuln/detail/CVE-2021-32669
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-32669
cvssv3.1 6.4 https://typo3.org/security/advisory/typo3-core-sa-2021-011
generic_textual MODERATE https://typo3.org/security/advisory/typo3-core-sa-2021-011
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-32669
https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32669.yaml
https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32669.yaml
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw
https://typo3.org/security/advisory/typo3-core-sa-2021-011
CVE-2021-32669 https://nvd.nist.gov/vuln/detail/CVE-2021-32669
GHSA-rgcg-28xm-8mmw https://github.com/advisories/GHSA-rgcg-28xm-8mmw
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32669.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:H/PR:L/UI:R/S:U/C:H/I:H/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32669.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:H/PR:L/UI:R/S:U/C:H/I:H/A:N Found at https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw
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:H/PR:L/UI:R/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-32669
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:H/PR:L/UI:R/S:U/C:H/I:H/A:N Found at https://typo3.org/security/advisory/typo3-core-sa-2021-011
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 0.58981
EPSS Score 0.00374
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:48:36.170185+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms-core/CVE-2021-32669.yml 38.0.0