CVE-2025-59039
Prebid Universal Creative (PUC) is a JavaScript API to render multiple formats. Npm users of PUC 1.17.3 or PUC latest were briefly affected by crypto-related malware. This includes the extremely popular jsdelivr hosting of this file. The maintainers of PUC unpublished version 1.17.3. Users should see Prebid.js 9 release notes for suggestions on moving off the deprecated workflow of using the PUC or pointing to a dynamic version of it. PUC users pointing to latest should transition to 1.17.2 as soon as possible to avoid similar attacks in the future.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 9.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.34%
- Percentil entre todas las CVEs puntuadas: 25
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1195Supply Chain Compromiseinitial access85 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1565.001Stored Data Manipulationimpact75 %
Vulnerabilidad de cadena de suministro en npm/jsdelivr (T1195): versión 1.17.3 comprometida con malware. El impacto es ejecución de código JavaScript (T1059) y posible manipulación de publicidad programática (T1565.001).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (2)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-506
Referencias
JSON original (NVD)
Mostrar
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"id": "CVE-2025-59039",
"cveTags": [],
"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"id": "CVE-2025-59039",
"role": "CISA Coordinator",
"options": [
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},
{
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},
{
"technicalImpact": "total"
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"version": "2.0.3",
"timestamp": "2025-09-10T17:47:53.143510Z"
}
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"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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"affected": [
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"source": "security-advisories@github.com",
"affectedData": [
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"product": "prebid-universal-creative",
"versions": [
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"published": "2025-09-09T23:15:37.227",
"references": [
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"source": "security-advisories@github.com"
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{
"url": "https://www.sonatype.com/blog/npm-chalk-and-debug-packages-hit-in-software-supply-chain-attack",
"source": "security-advisories@github.com"
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"description": [
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"descriptions": [
{
"lang": "en",
"value": "Prebid Universal Creative (PUC) is a JavaScript API to render multiple formats. Npm users of PUC 1.17.3 or PUC latest were briefly affected by crypto-related malware. This includes the extremely popular jsdelivr hosting of this file. The maintainers of PUC unpublished version 1.17.3. Users should see Prebid.js 9 release notes for suggestions on moving off the deprecated workflow of using the PUC or pointing to a dynamic version of it. PUC users pointing to latest should transition to 1.17.2 as soon as possible to avoid similar attacks in the future."
}
],
"lastModified": "2026-06-17T09:45:29.000",
"sourceIdentifier": "security-advisories@github.com"
}