WordPress Core < 5.2.3 - Open Redirect

2019-09-05 00:00

Tim Coen

Strategic Overview

Status

Patched in 3.7.30

Affected CoreWordPress 5.2

Affected Version3.7 – 5.2.2 · 17 branches

CVSS4.6Medium

CVECVE-2019-16220

View all WordPress 5.2 vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.30, 3.8.30, 3.9.28, 4.0.27, 4.1.27, 4.2.24, 4.3.20, 4.4.19, 4.5.18, 4.6.15, 4.7.14, 4.8.10, 4.9.11, 5.0.6, 5.1.2, 5.2.3 --- IDENTIFIER: CWE-601 (URL Redirection to Untrusted Site ('Open Redirect')) The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

External References

https://www.cve.org/CVERecord?id=CVE-2019-16220 https://www.wordfence.com/threat-intel/vulnerabilities/id/4b6f9700-eb29-4391-845c-58e1a2327b0b

CVSS Vector

4.6

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityLow

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