PT-2019-5210 · WordPress · Wordpress

Published 2019-09-11 · Updated 2024-08-21 · CVE-2019-16220

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WordPress versions prior to 5.2.3

Description The issue is related to the validation and sanitization of a URL in the wp validate redirect function in wp-includes/pluggable.php. This could lead to an open redirect if a provided URL path does not start with a forward slash. The vulnerability may allow a remote attacker to access and compromise confidential data.

Recommendations For WordPress versions prior to 5.2.3, update to version 5.2.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the wp validate redirect function in wp-includes/pluggable.php until a patch is applied.

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

BDU:2020-01939

CVE-2019-16220

DLA-1960-1

DSA-4599-1

DSA-4677-1

Affected Products

Wordpress

References · 21

• https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28 · Patch
• https://core.trac.wordpress.org/changeset/45971 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4599-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-16220 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-16220 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-16220 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-16220 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-16220 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-16220 · Vendor Advisory
• https://debian.org/security/2020/dsa-4677 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-01939 · Security Note
• https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release · Vendor Advisory
• https://debian.org/security/2020/dsa-4599 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4677-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-16220 · Vendor Advisory