NVD

CVE-2021-21340 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 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-fjh3-g8gq-9q92	Third Party Advisory
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92	Third Party Advisory
https://packagist.org/packages/typo3/cms-backend	Release Notes Third Party Advisory
https://packagist.org/packages/typo3/cms-backend	Release Notes Third Party Advisory
https://typo3.org/security/advisory/typo3-core-sa-2021-007	Vendor Advisory
https://typo3.org/security/advisory/typo3-core-sa-2021-007	Vendor Advisory

Weakness Enumeration

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

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

3 change records found show changes

Initial Analysis by NIST 3/26/2021 2:42:40 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Added	CVSS V2		NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N)
Added	CWE		NIST CWE-79
Added	CPE Configuration		OR 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 (excluding) 11.1.1
Changed	Reference Type	https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92 No Types Assigned	https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92 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-2021-007 No Types Assigned	https://typo3.org/security/advisory/typo3-core-sa-2021-007 Vendor Advisory
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism

Quick Info

CVE Dictionary Entry:
CVE-2021-21340
NVD Published Date:
03/22/2021
NVD Last Modified:
11/21/2024
Source:
GitHub, Inc.

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Information Technology Laboratory

National Vulnerability Database