Improper Input Validation Affecting wordpress package, versions <4.7.5+dfsg-2+deb9u6


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.87% (84th percentile)

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  • Snyk IDSNYK-DEBIAN9-WORDPRESS-539938
  • published27 Dec 2019
  • disclosed27 Dec 2019

Introduced: 27 Dec 2019

CVE-2019-20041  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:9 wordpress to version 4.7.5+dfsg-2+deb9u6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wordpress package and not the wordpress package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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&colon; substring.

CVSS Scores

version 3.1