CVE & CISA-KEV Catalog

CVE-2020-4048

MEDIUMEPSS 81th pctl
5.7
CVSS v3
NVD

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).

How to fix

Remediation Available
wordpressDebian
Fixed in:5.4.2+dfsg1-1CVE-2020-4048
Fixed in:5.4.2+dfsg1-1CVE-2020-4048
Fixed in:5.4.2+dfsg1-1CVE-2020-4048
Fixed in:5.4.2+dfsg1-1CVE-2020-4048

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

2.33%probability of exploitation in 30 days
81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-4123High7.698%-Fix
CVE-2018-11784Medium4.394%-Fix
CVE-2021-22881Medium6.187%-Fix
CVE-2022-45402Medium6.182%-Fix
CVE-2017-1000117High8.878%-Fix
CVE-2019-10098Medium6.174%-Fix
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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.