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CVE-2026-56317

Nuxt before 4.4.7 (and the 3.x branch before 3.21.7) contains a cross-site scripting vulnerability in the NoScript component that writes slot content to innerHTML without escaping. Attackers can inject malicious scripts through untrusted data in NoScript slots, such as route.query parameters, which execute in the document context when the noscript tag is implicitly closed by script tags.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ea6e15a23715480a0c0c023d551498225de1c253721f51b49e491c8dc1d4b67e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","packageURL":"pkg:npm/nuxt","product":"Nuxt","vendor":"Nuxt","versions":[{"lessThan":"3.21.7","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.21.7","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/affected/1

{"defaultStatus":"unaffected","packageURL":"pkg:npm/nuxt","product":"Nuxt","vendor":"Nuxt","versions":[{"lessThan":"4.4.7","status":"affected","version":"4.0.0","versionType":"semver"},{"status":"unaffected","version":"4.4.7","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","packageURL":"pkg:npm/nuxt","product":"Nuxt","vendor":"Nuxt","versions":[{"lessThan":"3.21.7","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.21.7","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/affected/1
{"defaultStatus":"unaffected","packageURL":"pkg:npm/nuxt","product":"Nuxt","vendor":"Nuxt","versions":[{"lessThan":"4.4.7","status":"affected","version":"4.0.0","versionType":"semver"},{"status":"unaffected","version":"4.4.7","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"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:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/nuxt/nuxt/commit/4b054e9d95f8daf366cb144b52782047c511a66e","tags":["patch"],"url":"https://github.com/nuxt/nuxt/commit/4b054e9d95f8daf366cb144b52782047c511a66e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/references/1
{"name":"https://github.com/nuxt/nuxt/commit/7fea9fd687f1dacbfb63db5fae5839896b017a0e","tags":["patch"],"url":"https://github.com/nuxt/nuxt/commit/7fea9fd687f1dacbfb63db5fae5839896b017a0e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/references/2
{"name":"GHSA Advisory GHSA-m3q2-p4fw-w38m","tags":["vendor-advisory"],"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-m3q2-p4fw-w38m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/references/0
{"name":"VulnCheck Advisory: Nuxt - Cross-Site Scripting via NoScript Component Slot Content","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-noscript-component-slot-content"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cbabf2a797f1252290f4e0b25cad6a6061ae1d7296a4d17c2c5089b081e0f075 · sha256:51bd04327d1359d0… · /containers/cna/references/3

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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