CVE-2023-4017

Goya <= 1.0.8.7 - Unauthenticated Reflected Cross-Site Scripting via Multiple Parameters

2024-06-28 00:00
R3N0

Strategic Overview

Status
Patched in 1.0.8.8
Affected Theme
Goya
Affected Version
<= 1.0.8.7
CVSS
6.1Medium
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE-2023-4017
View all Goya vulnerabilities

At a glance

CVE-2023-4017 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Goya WordPress theme, affecting versions <= 1.0.8.7. It carries a CVSS score of 6.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 1.0.8.8; sites on affected versions should update now. Disclosed June 2024, reported by R3N0.

Vulnerability Overview

The Goya theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘attra-color’, 'attra-size', and 'product-cata' parameters in versions up to, and including, 1.0.8.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

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.

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Goya <= 1.0.8.7 carries this weakness at attra-color, and reaching it takes no account at all. Cross-site scripting happens when input from a request is written into a page without being escaped for the context it lands in, so the browser parses attacker-supplied text as markup or script.

Injected script runs with the privileges of whoever views the affected page, which is how these flaws turn into administrator session theft, silent account creation or persistent backdoors in page content. For Goya the fix is 1.0.8.8: builds <= 1.0.8.7 are affected, anything from 1.0.8.8 onward is not.

Remediation

Update to version 1.0.8.8, or a newer patched version

How does WordSec protect against this?

Requests carrying this pattern arrive without a session, so nothing upstream of the firewall gets a chance to reject them: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Goya 1.0.8.8 closes this, and updating the theme is the step that ends it.

  • Firewall
  • Login Security
  • Alerts

External References

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C