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Vulnerability details: VCID-6a9t-8dmn-s3bv
Vulnerability ID VCID-6a9t-8dmn-s3bv
Aliases CVE-2021-32667
GHSA-8mq9-fqv8-59wf
Summary Cross-site Scripting TYPO3 contains a cross-site scripting vulnerability. When _Page TSconfig_ settings are not properly encoded, corresponding page preview module (`_Web>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 issue.
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 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2021-32667
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-8mq9-fqv8-59wf
cvssv3.1 6.4 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32667.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32667.yaml
cvssv3.1 6.4 https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32667.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32667.yaml
cvssv3.1 6.4 https://github.com/TYPO3/typo3
generic_textual MODERATE https://github.com/TYPO3/typo3
cvssv3.1 6.4 https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf
cvssv3.1_qr MODERATE https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf
generic_textual MODERATE https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf
cvssv3.1 6.4 https://github.com/TYPO3/typo3/security/advisories/GHSA-8mq9-fqv8-59wf
cvssv3.1_qr MODERATE https://github.com/TYPO3/typo3/security/advisories/GHSA-8mq9-fqv8-59wf
generic_textual MODERATE https://github.com/TYPO3/typo3/security/advisories/GHSA-8mq9-fqv8-59wf
cvssv3.1 6.4 https://nvd.nist.gov/vuln/detail/CVE-2021-32667
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-32667
cvssv3.1 6.4 https://typo3.org/security/advisory/typo3-core-sa-2021-009
generic_textual MODERATE https://typo3.org/security/advisory/typo3-core-sa-2021-009
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-32667
https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32667.yaml
https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32667.yaml
https://github.com/TYPO3/typo3
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf
https://github.com/TYPO3/typo3/security/advisories/GHSA-8mq9-fqv8-59wf
https://typo3.org/security/advisory/typo3-core-sa-2021-009
CVE-2021-32667 https://nvd.nist.gov/vuln/detail/CVE-2021-32667
GHSA-8mq9-fqv8-59wf https://github.com/advisories/GHSA-8mq9-fqv8-59wf
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-2021-32667.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-2021-32667.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
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-8mq9-fqv8-59wf
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/security/advisories/GHSA-8mq9-fqv8-59wf
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-2021-32667
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-2021-009
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 0.61522
EPSS Score 0.00415
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:48:36.112199+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms-core/CVE-2021-32667.yml 38.0.0