CVE-2026-44580

A flaw was found in Next.js. A remote attacker could exploit this cross-site scripting XSS vulnerability by injecting untrusted content into beforeInteractive scripts. Due to improper escaping of serialized script content, this could allow the attacker to execute arbitrary JavaScript code in a...

CVE-2026-44580 Next.js: Cross-site scripting in beforeInteractive scripts with untrusted input

Next.js is a React framework for building full-stack web applications. From 13.0.0 to before 15.5.16 and 16.2.5, applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, serialized script content was not escap...

CVE-2026-44580 Next.js: Cross-site scripting in beforeInteractive scripts with untrusted input

Next.js is a React framework for building full-stack web applications. From 13.0.0 to before 15.5.16 and 16.2.5, applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, serialized script content was not escap...

CVE-2026-44580

CVE-2026-44580 – Next.js : Cross-site scripting in beforeInteractive scripts with untrusted input. Affected: Next.js 13.0.0 through before 15.5.16 and 16.2.5. Root cause: serialized script content was not escaped safely before embedding into the document, allowing attacker-controlled input to bre...

GHSA-GX5P-JG67-6X7H Next.js has cross-site scripting in beforeInteractive scripts with untrusted input

Impact Applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, serialized script content was not escaped safely before being embedded into the document, which could allow attacker-controlled input to break ou...

Next.js has cross-site scripting in beforeInteractive scripts with untrusted input

Impact Applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, serialized script content was not escaped safely before being embedded into the document, which could allow attacker-controlled input to break ou...