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

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CVE-2020-11026

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
30/04/2020
Last modified:
01/03/2023

Description

In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

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:wordpress:wordpress:*:*:*:*:*:*:*:* 3.7 (including) 3.7.33 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 3.8 (including) 3.8.33 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 3.9 (including) 3.9.31 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.0 (including) 4.0.30 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.1 (including) 4.1.30 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.2 (including) 4.2.27 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.3 (including) 4.3.23 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.4 (including) 4.4.22 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.5 (including) 4.5.21 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.6 (including) 4.6.18 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.7 (including) 4.7.17 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.8 (including) 4.8.13 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.9 (including) 4.9.14 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.0 (including) 5.0.9 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.1 (including) 5.1.5 (excluding)

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


References to Advisories, Solutions, and Tools