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Vulnerability details: VCID-ypzf-m1km-1qgz
Vulnerability ID VCID-ypzf-m1km-1qgz
Aliases CVE-2019-20041
Summary wp_kses_bad_protocol in wp-includes/kses.php in WordPress before 5.3.1 mishandles the HTML5 colon named entity, allowing attackers to bypass input sanitization, as demonstrated by the javascript: substring.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-20041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16217
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16218
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16219
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16220
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16221
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16222
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16223
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16780
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16781
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17669
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17671
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17672
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17673
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17674
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17675
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20042
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20043
https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53
https://lists.debian.org/debian-lts-announce/2020/01/msg00010.html
https://seclists.org/bugtraq/2020/Jan/8
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
https://www.debian.org/security/2020/dsa-4599
https://www.debian.org/security/2020/dsa-4677
946905 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946905
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:*:*:*:*:*:*:*
CVE-2019-20041 https://nvd.nist.gov/vuln/detail/CVE-2019-20041
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-20041
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:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-20041
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 0.8056
EPSS Score 0.01517
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:06:37.115512+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2019-20041 37.0.0