CVE-2024-34342
Status: DeferredHigh (7.1)—
react-pdf displays PDFs in React apps. If PDF.js is used to load a malicious PDF, and PDF.js is configured with `isEvalSupported` set to `true` (which is the default value), unrestricted attacker-controlled JavaScript will be executed in the context of the hosting domain. This vulnerability is fixed in 7.7.3 and 8.0.2.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
- Base score: 7.1
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.06%
- Percentile among all scored CVEs: 64
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (2)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
CWEs
- CWE-79
References
- https://github.com/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6
- https://github.com/mozilla/pdf.js/pull/18015
- https://github.com/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq
- https://github.com/wojtekmaj/react-pdf/commit/208f28dd47fe38c33ce4bac4205b2b0a0bb207fe
- https://github.com/wojtekmaj/react-pdf/commit/671e6eaa2e373e404040c13cc6b668fe39839cad
- https://github.com/wojtekmaj/react-pdf/security/advisories/GHSA-87hq-q4gp-9wr4
- https://github.com/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6
- https://github.com/mozilla/pdf.js/pull/18015
- https://github.com/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq
- https://github.com/wojtekmaj/react-pdf/commit/208f28dd47fe38c33ce4bac4205b2b0a0bb207fe
- https://github.com/wojtekmaj/react-pdf/commit/671e6eaa2e373e404040c13cc6b668fe39839cad
- https://github.com/wojtekmaj/react-pdf/security/advisories/GHSA-87hq-q4gp-9wr4
Raw JSON (NVD)
Show
{
"id": "CVE-2024-34342",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-34342",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-05-07T18:55:02.356516Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.1,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.5,
"exploitabilityScore": 1.6
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "wojtekmaj",
"product": "react-pdf",
"versions": [
{
"status": "affected",
"version": "< 7.7.3"
},
{
"status": "affected",
"version": ">= 8.0.0, < 8.0.2"
}
]
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:pdf.js_viewer_project:pdf.js_viewer:*:*:*:*:*:wordpress:*:*"
],
"vendor": "pdf.js_viewer_project",
"product": "pdf.js_viewer",
"versions": [
{
"status": "affected",
"version": "< 7.7.3, \t>= 8.0.0, < 8.0.2"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-05-07T15:15:09.730",
"references": [
{
"url": "https://github.com/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/mozilla/pdf.js/pull/18015",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/wojtekmaj/react-pdf/commit/208f28dd47fe38c33ce4bac4205b2b0a0bb207fe",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/wojtekmaj/react-pdf/commit/671e6eaa2e373e404040c13cc6b668fe39839cad",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/wojtekmaj/react-pdf/security/advisories/GHSA-87hq-q4gp-9wr4",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/mozilla/pdf.js/pull/18015",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/wojtekmaj/react-pdf/commit/208f28dd47fe38c33ce4bac4205b2b0a0bb207fe",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/wojtekmaj/react-pdf/commit/671e6eaa2e373e404040c13cc6b668fe39839cad",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/wojtekmaj/react-pdf/security/advisories/GHSA-87hq-q4gp-9wr4",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "react-pdf displays PDFs in React apps. If PDF.js is used to load a malicious PDF, and PDF.js is configured with `isEvalSupported` set to `true` (which is the default value), unrestricted attacker-controlled JavaScript will be executed in the context of the hosting domain. This vulnerability is fixed in 7.7.3 and 8.0.2."
},
{
"lang": "es",
"value": "react-pdf muestra archivos PDF en aplicaciones React. Si se utiliza PDF.js para cargar un PDF malicioso y PDF.js está configurado con `isEvalSupported` establecido en `true` (que es el valor predeterminado), se ejecutará JavaScript sin restricciones controlado por el atacante en el contexto del dominio de alojamiento. Esta vulnerabilidad se solucionó en 7.7.3 y 8.0.2."
}
],
"lastModified": "2026-06-17T07:33:12.770",
"sourceIdentifier": "security-advisories@github.com"
}