CVE-2021-21370

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.

CVSS v3.0 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://typo3.org/security/advisory/typo3-core-sa-2021-008	Vendor Advisory
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh	Third Party Advisory
https://packagist.org/packages/typo3/cms-backend	Release Notes Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::

Information

Published : 2021-03-22 19:15

Updated : 2021-03-26 10:59

NVD link : CVE-2021-21370

Mitre link : CVE-2021-21370

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Products Affected

typo3

typo3

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