WordPress 4.2.2 Security Patch and XSS Vulnerability

The 4.2.2 patch is a critical security update that addresses XSS vulnerabilities within the core add_query_arg function to protect site integrity. low confidence based on 1 community reports

The 4.2.2 patch is a critical security update that addresses XSS vulnerabilities within the core add_query_arg function to protect site integrity.

Based on 1 community reports.

Linked sources: 1.

Known Issues

Incomplete sanitization of add_query_arg function
Persistent XSS vulnerability risks

Community Q&A

What does the WordPress 4.2.2 patch fix?

The 4.2.2 update specifically addresses a cross-site scripting (XSS) vulnerability found in the add_query_arg function.

Is the add_query_arg function still vulnerable?

While 4.2.2 provides a patch, some developers argue that the core function requires further hardening to fully prevent XSS attacks.

Reddit Sources

WordPress 4.2.2 Released - Supposedly Fixes XSS Vulnerability [Discussion] (r/webdev)

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