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TYPO3 AssociationTYPO3-EXT-SA-2021-006

HistoryApr 27, 2021 - 12:00 a.m.

Server-side request forgery in extension "Yoast SEO for TYPO3" (yoast_seo)

2021-04-2700:00:00

TYPO3 Association

typo3.org

6.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

JSON

The extension fails to restrict analyzed URLs to domains managed by the current TYPO3 website. A logged in TYPO3 backend user can use the vulnerability to make HTTP requests to arbitrary domains including the webserver itself or other internally managed resources.

CPENameOperatorVersion
yoast_seole7.2.0

CPE	Name	Operator	Version
	yoast_seo	le	7.2.0

6.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

JSON

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