Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-24220

Severity CVSS v4.0:
Pending analysis
Type:
CWE-434 Unrestricted Upload of File with Dangerous Type
Publication date:
12/04/2021
Last modified:
22/04/2021

Description

Thrive “Legacy” Rise by Thrive Themes WordPress theme before 2.0.0, Luxe by Thrive Themes WordPress theme before 2.0.0, Minus by Thrive Themes WordPress theme before 2.0.0, Ignition by Thrive Themes WordPress theme before 2.0.0, FocusBlog by Thrive Themes WordPress theme before 2.0.0, Squared by Thrive Themes WordPress theme before 2.0.0, Voice WordPress theme before 2.0.0, Performag by Thrive Themes WordPress theme before 2.0.0, Pressive by Thrive Themes WordPress theme before 2.0.0, Storied by Thrive Themes WordPress theme before 2.0.0 register a REST API endpoint to compress images using the Kraken image optimization engine. By supplying a crafted request in combination with data inserted using the Option Update vulnerability, it was possible to use this endpoint to retrieve malicious code from a remote URL and overwrite an existing file on the site with it or create a new file.This includes executable PHP files that contain malicious code.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

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

Base Score 3.x
9.10
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P

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

Base Score 2.0
6.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:thrivethemes:focusblog:*:*:*:*:*:wordpress_:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:ignition:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:luxe:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:minus:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:performag:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:pressive:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:rise:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:squared:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:storied:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)
cpe:2.3:a:thrivethemes:voice:*:*:*:*:*:wordpress:*:* 2.0.0 (excluding)

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


References to Advisories, Solutions, and Tools