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Vulnerability · Published Jun 12, 2020 · Assigned by GitHub_M

CVE-2020-4048Open redirect in wp_validate_redirect() in WordPress

Medium 5.7

In plain English

A medium-severity open redirect in wordpress-develop from WordPress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)2.0%top 19.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In affected versions of WordPress, due to an issue in wp_validate_redirect() and URL sanitization, an arbitrary external link can be crafted leading to unintended/open redirect when clicked. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wordpress5.4.2+dfsg1-1DEBIAN-CVE-2020-4048
Debian:13wordpress5.4.2+dfsg1-1DEBIAN-CVE-2020-4048
Debian:14wordpress5.4.2+dfsg1-1DEBIAN-CVE-2020-4048
Ubuntu:22.04:LTSwordpressno fix listedUBUNTU-CVE-2020-4048

Affected products (as reported)

VendorProductVersions
WordPress wordpress-develop >= 5.4.0, < 5.4.2>= 5.3.0, < 5.3.4>= 5.2.0, < 5.2.7>= 5.1.0, < 5.1.6>= 5.0.0, < 5.0.10>= 4.9.0, < 4.9.15>= 4.8.0, < 4.8.14>= 4.7.0, < 4.7.18

Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

References