NVD

CVE-2021-21370 Detail

Description

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: GitHub, Inc.

Base Score: 5.4 MEDIUM

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 3.5 LOW

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
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
https://typo3.org/security/advisory/typo3-core-sa-2021-008	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	GitHub, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Initial Analysis by NIST 3/26/2021 1:59:15 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 510 characters. View Entire Change Record OR cpe:2.3:a:typo3:typo3::::::::* versions from (including) 7.0.0 up to (excluding) 7.6.51 cpe:2.3:a:typo3:typo3::::::::* versions from (including) 8.0.0 up to (excluding) 8.7.40 cpe:2.3:a:typo3:typo3::::::::* versions from (including) 9.0.0 up to (excluding) 9.5.25 cpe:2.3:a:typo3:typo3::::::::* versions from (including) 10.0.0 up to (excluding) 10.4.14 cpe:2.3:a:typo3:typo3::::::::* versions from (including) 11.0.0 up to (excludi
Added	CVSS V2		NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N)
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism
Added	CVSS V3.1		NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Changed	Reference Type	https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh No Types Assigned	https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh Third Party Advisory
Changed	Reference Type	https://packagist.org/packages/typo3/cms-backend No Types Assigned	https://packagist.org/packages/typo3/cms-backend Release Notes, Third Party Advisory
Changed	Reference Type	https://typo3.org/security/advisory/typo3-core-sa-2021-008 No Types Assigned	https://typo3.org/security/advisory/typo3-core-sa-2021-008 Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-21370
NVD Published Date:
03/22/2021
NVD Last Modified:
03/26/2021
Source:
GitHub, Inc.

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Information Technology Laboratory

National Vulnerability Database