CVE-2019-16220 Open redirect in n/a

What is CVE-2019-16220?

CVE-2019-16220 is a medium-severity vulnerability in Debian Debian Linux, published on 11 Sep 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In WordPress before 5.2.3, validation and sanitization of a URL in wp_validate_redirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward slash.

Weakness: CWE-601

Which versions are affected by CVE-2019-16220?

It affects 2 products.

Products include Debian Debian Linux, Wordpress Wordpress.

How do I fix CVE-2019-16220?

Upgrade to a fixed version.

Is CVE-2019-16220 being exploited?

There is no known exploitation of CVE-2019-16220 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-16220, GHSA-f824-fhqw-5fwj, UBUNTU-CVE-2019-16220.