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Vulnerability details: VCID-8d3z-u8kz-qfd3
Vulnerability ID VCID-8d3z-u8kz-qfd3
Aliases CVE-2020-4048
Summary 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).
Status Published
Exploitability 0.5
Weighted Severity 5.1
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.01413 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.01413 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.01413 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
epss 0.02649 https://api.first.org/data/v1/epss?cve=CVE-2020-4048
cvssv2 4.9 https://nvd.nist.gov/vuln/detail/CVE-2020-4048
cvssv3.1 5.7 https://nvd.nist.gov/vuln/detail/CVE-2020-4048
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-4048
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25286
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4047
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4048
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4049
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4050
https://github.com/WordPress/wordpress-develop/commit/6ef777e9a022bee2a80fa671118e7e2657e52693
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-q6pw-gvf4-5fj5
https://lists.debian.org/debian-lts-announce/2020/07/msg00000.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00011.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/773N2ZV7QEMBGKH6FBKI6Q5S3YJMW357/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODNHXVJS25YVWYQHOCICXTLIN5UYJFDN/
https://wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release/
https://www.debian.org/security/2020/dsa-4709
962685 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962685
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CVE-2020-4048 https://nvd.nist.gov/vuln/detail/CVE-2020-4048
No exploits are available.
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-4048
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-4048
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.79799
EPSS Score 0.01413
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:09:53.108073+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2020-4048 37.0.0