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Vendor

unjs

5 known vulnerabilities.

unjs at a glance

Last 12 months
4
Critical · all time
0
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
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Products

unhead 3 ipx 1 defu 1
All Critical High Medium Low Exploited only Public exploit

5 results · Feed

  • Medium 6.1
    CVE-2026-39315

    Unhead has a hasDangerousProtocol() bypass via leading-zero padded HTML entities in useHeadSafe()

    Unhead is a document head and template manager. Prior to 2.1.13, useHeadSafe() is the composable that Nuxt's own documentation explicitly recommends for rendering user-supplied content in <head> safely. Internally, the hasDangerousProtocol() function in packa…

    unjs unhead unhead npm
  • High 7.5
    CVE-2026-35209

    defu: Prototype pollution via `__proto__` key in defaults argument

    defu is software that allows uers to assign default properties recursively. Prior to version 6.1.5, applications that pass unsanitized user input (e.g. parsed JSON request bodies, database records, or config files from untrusted sources) as the first argument…

    unjs defu defu npm
  • None 0.0
    CVE-2026-31873

    Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

    Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe (safe.ts) uses String.includes(), which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to…

    unjs unhead unhead npm
  • Medium 5.3
    CVE-2026-31860

    Unhead has a XSS bypass in `useHeadSafe` via attribute name injection and case-sensitive protocol check

    Unhead is a document head and template manager. Prior to 2.1.11, useHeadSafe() can be bypassed to inject arbitrary HTML attributes, including event handlers, into SSR-rendered <head> tags. This is the composable that Nuxt docs recommend for safely handling us…

    unjs unhead unhead npm
  • Medium 6.9
    CVE-2025-54387

    IPX is Vulnerable to Path Traversal via Prefix Matching Bypass

    IPX is an image optimizer powered by sharp and svgo. In versions 1.3.1 and below, 2.0.0-0 through 2.1.0, and 3.0.0 through 3.1.0, the approach used to check whether a path is within allowed directories is vulnerable to path prefix bypass when the allowed dire…

    unjs ipx ipx npm