CVE Vulnerability

CVE-2021-21340

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 .

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

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

References
Link Resource
https://typo3.org/security/advisory/typo3-core-sa-2021-007 Vendor 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
Configurations

Configuration 1

cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
Information

Published : 2021-03-23 02:15

Updated : 2021-03-26 06:42

NVD link : CVE-2021-21340

Mitre link : CVE-2021-21340

Products Affected
No products.
CWE
CWE-79