A wordpress security update has been released for Debian GNU/Linux 10.

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Debian Security Advisory DSA-4599-1 security@debian.org
  https://www.debian.org/security/ Sebastien Delafond
January 08, 2020   https://www.debian.org/security/faq
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Package : wordpress
CVE ID : CVE-2019-16217 CVE-2019-16218 CVE-2019-16219 CVE-2019-16220
CVE-2019-16221 CVE-2019-16222 CVE-2019-16223 CVE-2019-16780
CVE-2019-16781 CVE-2019-17669 CVE-2019-17671 CVE-2019-17672
CVE-2019-17673 CVE-2019-17674 CVE-2019-17675 CVE-2019-20041
CVE-2019-20042 CVE-2019-20043
Debian Bug : 939543 942459 946905

Several vulnerabilities were discovered in Wordpress, a web blogging
tool. They allowed remote attackers to perform various Cross-Side
Scripting (XSS) and Cross-Site Request Forgery (CSRF) attacks, create
open redirects, poison cache, and bypass authorization access and
input sanitation.

For the stable distribution (buster), these problems have been fixed in
version 5.0.4+dfsg1-1+deb10u1.

We recommend that you upgrade your wordpress packages.

For the detailed security status of wordpress please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/wordpress

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/