Cloud Vulnerability DB
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Vulnerability DatabaseGHSA-m7hr-j867-3f34
GHSA-m7hr-j867-3f34:
PHP vulnerability analysis and mitigation
Overview
A potential Cross-site Scripting (XSS) vulnerability was identified in multiple Zend Framework 2 view helpers (GHSA-m7hr-j867-3f34). The vulnerability existed because many view helpers were using the escapeHtml() view helper to escape HTML attributes, instead of the more appropriate escapeHtmlAttr(). This affected versions >= 2.0.0, < 2.2.7 and >= 2.3.0, < 2.3.1 (Zend Advisory).
Technical details
The vulnerability stemmed from improper HTML attribute escaping in multiple view helpers. The affected components included all Zend\Form view helpers, most Zend\Navigation view helpers, and HTML Element view helpers (htmlFlash(), htmlPage(), htmlQuickTime(), and Zend\View\Helper\Gravatar). The issue occurred when user data and/or JavaScript was used to seed attributes, creating potential XSS attack vectors (Zend Advisory).
Impact
The vulnerability could allow attackers to execute cross-site scripting (XSS) attacks when user data or JavaScript is used within HTML attributes. This could potentially lead to the execution of malicious scripts in users' browsers in the context of the vulnerable application (GitHub Advisory).
Mitigation and workarounds
The vulnerability has been patched in Zend Framework versions 2.2.7 and 2.3.1. The fix involves updating all affected view helpers to use the escapeHtmlAttr() view helper when escaping data for HTML attributes. Users are recommended to upgrade to these patched versions immediately (Zend Advisory).
Additional resources
Source: This report was generated using AI
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