CVE-2022-1583

External Links in New Window / New Tab <= 1.42 - Tabnabbing

2022-05-09 00:00

Strategic Overview

Status: Patched in 1.43
Affected Plugin: External Links in New Window / New Tab
Affected Version: <= 1.42
CVSS: 6.5Medium
Weakness type: CWE-1022 · Use of Web Link to Untrusted Target with window.opener Access
CVE: CVE-2022-1583

View all External Links in New Window / New Tab vulnerabilities

At a glance

CVE-2022-1583 is a medium-severity Use of Web Link to Untrusted Target with window.opener Access vulnerability in the External Links in New Window / New Tab WordPress plugin, affecting versions <= 1.42. It carries a CVSS score of 6.5 (reachable over the network; low attack complexity; high confidentiality impact). Exploitation requires no authentication. The issue is fixed in version 1.43; sites on affected versions should update now. Disclosed May 2022, reported by Daniel Ruf.

Vulnerability Overview

The External Links in New Window / New Tab WordPress plugin before 1.43 does not ensure window.opener is set to "null" when links to external sites are clicked, which may enable tabnabbing attacks to occur.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site. A successful exploit has high impact on confidentiality.

CWE-1022: Use of Web Link to Untrusted Target with window.opener Access

The web application produces links to untrusted external sites outside of its sphere of control, but it does not properly prevent the external site from modifying security-critical properties of the window.opener object, such as the location property.

Remediation

Update to version 1.43, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: External Links in New Window / New Tab 1.43 closes this, and updating the plugin is the step that ends it.

Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2022-1583 https://www.wordfence.com/threat-intel/vulnerabilities/id/951b8cbd-0509-4548-ae69-6cfd67e83b1a https://nvd.nist.gov/vuln/detail/CVE-2022-1583

Related records

CVSS Vector

6.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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