CVE-2021-32667

Name: CVE-2021-32667
Creator: NVD / NIST
Published: 2021-07-20T15:15:09.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-32667 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have 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 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this issue.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.60%

44.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Typo3	Typo3	>= 9.0.0, <= 9.5.287
Typo3	Typo3	>= 10.0.0, <= 10.4.17
Typo3	Typo3	>= 11.0.0, <= 11.3.0

References

https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wfThird Party Advisory
https://typo3.org/security/advisory/typo3-core-sa-2021-009Vendor Advisory
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wfThird Party Advisory
https://typo3.org/security/advisory/typo3-core-sa-2021-009Vendor Advisory

Timeline

Published: Jul 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32667?

How severe is CVE-2021-32667?

CVE-2021-32667 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32667?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32667?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST