CVE-2021-21365

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

27/04/2021

Last modified:

07/05/2021

Description

Bootstrap Package is a theme for TYPO3. It has been discovered that rendering content in the website frontend is vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability. Users of the extension, who have overwritten the affected templates with custom code must manually apply the security fix. Update to version 7.1.2, 8.0.8, 9.1.4, 10.0.10 or 11.0.3 of the Bootstrap Package that fix the problem described. Updated version are available from the TYPO3 extension manager, Packagist and at https://extensions.typo3.org/extension/download/bootstrap_package/.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.40

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

3.50

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:typo3:typo3::::::::		7.1.2 (excluding)
cpe:2.3:a:typo3:typo3::::::::	8.0.0 (including)	8.0.8 (excluding)
cpe:2.3:a:typo3:typo3::::::::	9.0.0 (including)	9.0.4 (excluding)
cpe:2.3:a:typo3:typo3::::::::	9.1.0 (including)	9.1.3 (excluding)
cpe:2.3:a:typo3:typo3::::::::	10.0.0 (including)	10.0.10 (excluding)
cpe:2.3:a:typo3:typo3::::::::	11.0.0 (including)	11.0.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-21365

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools