CVE-2020-4048

Open redirect in wp_validate_redirect() in WordPress

Severity Score

5.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In affected versions of WordPress, due to an issue in wp_validate_redirect() and URL sanitization, an arbitrary external link can be crafted leading to unintended/open redirect when clicked. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).

En las versiones afectadas de WordPress, debido a un problema en la función wp_validate_redirect() y el saneamiento de URL, se puede crear un enlace externo arbitrario que puede conllevar a una redireccionamiento abierto involuntario al hacer clic. Esto ha sido parcheado en la versión 5.4.2, junto con todas las versiones afectadas anteriormente por medio de una versión menor (versiones 5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34)

*Credits: Ben Bidner

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-30 CVE Reserved
2020-06-10 CVE Published
2024-08-04 CVE Updated
2024-10-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

CAPEC

References (8)

URL	Tag	Source
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-q6pw-gvf4-5fj5	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00000.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/09/msg00011.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/WordPress/wordpress-develop/commit/6ef777e9a022bee2a80fa671118e7e2657e52693	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/773N2ZV7QEMBGKH6FBKI6Q5S3YJMW357	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODNHXVJS25YVWYQHOCICXTLIN5UYJFDN	2023-11-07
https://wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release	2023-11-07
https://www.debian.org/security/2020/dsa-4709	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 3.7 < 3.7.34 Search vendor "Wordpress" for product "Wordpress" and version " >= 3.7 < 3.7.34"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 3.8 < 3.8.34 Search vendor "Wordpress" for product "Wordpress" and version " >= 3.8 < 3.8.34"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 3.9 < 3.9.32 Search vendor "Wordpress" for product "Wordpress" and version " >= 3.9 < 3.9.32"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.0 < 4.0.31 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.0 < 4.0.31"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.1 < 4.1.31 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.1 < 4.1.31"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.2 < 4.2.28 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.2 < 4.2.28"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.3 < 4.3.24 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.3 < 4.3.24"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.4 < 4.4.23 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.4 < 4.4.23"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.5 < 4.5.22 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.5 < 4.5.22"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.6 < 4.6.19 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.6 < 4.6.19"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.7 < 4.7.18 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.7 < 4.7.18"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.8 < 4.8.14 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.8 < 4.8.14"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 4.9 < 4.9.15 Search vendor "Wordpress" for product "Wordpress" and version " >= 4.9 < 4.9.15"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 5.0 < 5.0.10 Search vendor "Wordpress" for product "Wordpress" and version " >= 5.0 < 5.0.10"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 5.1 < 5.1.6 Search vendor "Wordpress" for product "Wordpress" and version " >= 5.1 < 5.1.6"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 5.2 < 5.2.7 Search vendor "Wordpress" for product "Wordpress" and version " >= 5.2 < 5.2.7"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 5.3.0 < 5.3.4 Search vendor "Wordpress" for product "Wordpress" and version " >= 5.3.0 < 5.3.4"		-		Affected
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				>= 5.4 < 5.4.2 Search vendor "Wordpress" for product "Wordpress" and version " >= 5.4 < 5.4.2"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				32 Search vendor "Fedoraproject" for product "Fedora" and version "32"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected