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CVE-2026-44580

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 escaped safely before being embedded into the document, which could allow attacker-controlled input to break out of the intended script context and execute arbitrary JavaScript in a visitor's browser. This vu
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:47efbdb75f10b595f1d73248873bbd9a09ea76c1198ddddf5496ab54a2f34323
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"next.js","vendor":"vercel","versions":[{"status":"affected","version":">= 13.0.0, < 15.5.16"},{"status":"affected","version":">= 16.0.0, < 16.2.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c28b8173e50aa6e147076a6bc9a70ab41a136f0b698dd39002fdf7671386e7a1 · sha256:e706891a4552253f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c28b8173e50aa6e147076a6bc9a70ab41a136f0b698dd39002fdf7671386e7a1 · sha256:e706891a4552253f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c28b8173e50aa6e147076a6bc9a70ab41a136f0b698dd39002fdf7671386e7a1 · sha256:e706891a4552253f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/vercel/next.js/security/advisories/GHSA-gx5p-jg67-6x7h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vercel/next.js/security/advisories/GHSA-gx5p-jg67-6x7h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c28b8173e50aa6e147076a6bc9a70ab41a136f0b698dd39002fdf7671386e7a1 · sha256:e706891a4552253f… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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