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.
Published 2019-12-27 08:15:10
Updated 2022-11-23 20:12:36
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2019-20041

Top countries where our scanners detected CVE-2019-20041
Top open port discovered on systems with this issue 80
IPs affected by CVE-2019-20041 7
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-20041!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-20041

0.87%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-20041

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2019-20041

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-20041

Products affected by CVE-2019-20041

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