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CVE-2026-47099

TeleJSON prior to 6.0.0 contains a DOM-based cross-site scripting vulnerability in the parse() function that allows attackers to execute arbitrary JavaScript by delivering a crafted JSON payload containing a malicious _constructor-name_ property value. The custom reviver passes the constructor name directly to new Function() without sanitization when recreating object prototypes, enabling attackers to inject arbitrary JavaScript through vectors such as postMessage in cross-frame communication co
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:473b09b515b397ae9bb83f3e53bd53e8a9622b7577b6a81e054d36a7e212dad1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/metrics/0/cvssV4_0

{"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:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"affected","packageURL":"pkg:github/storybookjs/telejson","product":"telejson","repo":"https://github.com/storybookjs/telejson","vendor":"storybookjs","versions":[{"lessThan":"6.0.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/metrics/0/cvssV4_0
{"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:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/metrics/1/cvssV3_1

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:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["technical-description"],"url":"https://github.com/Niccolo10/Security-Advisories/blob/main/CVE-2026-47099/cve-2026-47099.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://github.com/storybookjs/telejson/security/advisories/GHSA-ccgf-5rwj-j3hv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/telejson-dom-based-xss-via-parse-function"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:96cc03af000c8b3ccc4e4d8e1b94676d568011e7439179bc7237d558bc9a2ba5 · sha256:5bc648a6137737d0… · /containers/cna/references/2

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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