Search for vulnerabilities
Vulnerability details: VCID-527a-mxru-3bhw
Vulnerability ID VCID-527a-mxru-3bhw
Aliases CVE-2020-4046
Summary In affected versions of WordPress, users with low privileges (like contributors and authors) can use the embed block in a certain way to inject unfiltered HTML in the block editor. When affected posts are viewed by a higher privileged user, this could lead to script execution in the editor/wp-admin. 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 4.9
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03241 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03478 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03478 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
epss 0.03478 https://api.first.org/data/v1/epss?cve=CVE-2020-4046
cvssv2 3.5 https://nvd.nist.gov/vuln/detail/CVE-2020-4046
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2020-4046
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-4046
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4046
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-rpwf-hrh2-39jf
https://lists.debian.org/debian-lts-announce/2020/07/msg00000.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: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:31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
CVE-2020-4046 https://nvd.nist.gov/vuln/detail/CVE-2020-4046
No exploits are available.
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-4046
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:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-4046
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 0.86617
EPSS Score 0.03241
Published At July 31, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:09:52.925950+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2020-4046 37.0.0