Reflected Cross-Site Scripting Vulnerability in YZMCMS by YZMCMS

CVE-2026-29933

What is CVE-2026-29933?

A reflected cross-site scripting (XSS) vulnerability exists in the YZMCMS v7.4 version, specifically within the /index/login.html component. This flaw allows attackers to manipulate the referrer value in the request header, leading to the execution of arbitrary JavaScript in the user's browser context. Such an exploit can compromise user sessions, facilitate phishing attacks, or expose sensitive data, highlighting the critical need for secure coding practices and timely patching to mitigate risks associated with this vulnerability.

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References