Medium severity · published Jul 20, 2021
CVE-2021-32667
TYPO3 is an open source PHP based web content management system
5.4
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TY
Typo3 · Typo3
9.0.0 through 9.5.287; 10.0.0 through 10.4.17; 11.0.0 through 11.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32667
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32667
Third Party Advisory
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf
Vendor Advisory
https://typo3.org/security/advisory/typo3-core-sa-2021-009
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