CVE-2026-88974
WPGraphQL provides a GraphQL API for WordPress sites. Prior to 2.22.2, the updatePost mutation in src/Mutation/PostObjectUpdate.php checks only the collection-level edit_posts capability and the post author, but does not enforce the object-level edit_post capability or require publish_posts for public status transitions. An authenticated Contributor can therefore publish the Contributor's own draft without editorial approval or modify the Contributor's previously published post despite lacking edit_published_posts, while posts owned by other authors remain protected. This issue is fixed in version 2.22.2.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.27%
- Percentil entre todas las CVEs puntuadas: 18
- Fecha de la puntuación: 5/10/2026
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
T1210Exploitation of Remote Serviceslateral movement70 % - Impacto principal
T1565.001Stored Data Manipulationimpact75 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access65 %
Explotación de servicio remoto (GraphQL API) por usuario autenticado sin privilegios suficientes (Contributor). Permite modificar datos (publicar borradores, editar posts) e impersonación efectiva omitiendo controles de aprobación editorial.
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 (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-863
Referencias
- https://github.com/wp-graphql/wp-graphql/commit/55441663eaa33c3f2e05de038c8286c845916461
- https://github.com/wp-graphql/wp-graphql/pull/4270
- https://github.com/wp-graphql/wp-graphql/releases/tag/wp-graphql%2Fv2.22.2
- https://github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5mmc-8pc9-wggg
- https://github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5mmc-8pc9-wggg
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-88974",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-88974",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-09-23T16:21:07.871440Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 2.5,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "wp-graphql",
"product": "wp-graphql",
"versions": [
{
"status": "affected",
"version": "< 2.22.2"
}
]
}
]
}
],
"published": "2026-09-23T15:17:23.893",
"references": [
{
"url": "https://github.com/wp-graphql/wp-graphql/commit/55441663eaa33c3f2e05de038c8286c845916461",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/wp-graphql/wp-graphql/pull/4270",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/wp-graphql/wp-graphql/releases/tag/wp-graphql%2Fv2.22.2",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5mmc-8pc9-wggg",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/wp-graphql/wp-graphql/security/advisories/GHSA-5mmc-8pc9-wggg",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-863"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "WPGraphQL provides a GraphQL API for WordPress sites. Prior to 2.22.2, the updatePost mutation in src/Mutation/PostObjectUpdate.php checks only the collection-level edit_posts capability and the post author, but does not enforce the object-level edit_post capability or require publish_posts for public status transitions. An authenticated Contributor can therefore publish the Contributor's own draft without editorial approval or modify the Contributor's previously published post despite lacking edit_published_posts, while posts owned by other authors remain protected. This issue is fixed in version 2.22.2."
}
],
"lastModified": "2026-09-23T18:12:04.247",
"sourceIdentifier": "security-advisories@github.com"
}