CVE-2026-89301
El plugin rtMedia for WordPress, BuddyPress and bbPress para WordPress es vulnerable a eliminación limitada de archivos debido a validación insuficiente de la ruta de archivos en la función process en todas las versiones hasta la 4.7.13 inclusive. Esto hace posible que atacantes no autenticados eliminen archivos seguros arbitrarios en el servidor. El nonce público (rtmedia_upload_nonce) se emite en JavaScript de frontend en cualquier página que represente la galería rtMedia o el shortcode de carga, lo que lo hace recuperable por visitantes no autenticados sin necesidad de autenticación previa o acción privilegiada.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 7.5
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.43 %
- Percentil entre todas las CVEs puntuadas
- 36
- Fecha de la puntuación
- 20/10/2026
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
T1190Exploit Public-Facing Applicationinitial access90 % - Impacto principal
T1561.002Disk Structure Wipeimpact75 % - Impacto secundario
T1565.001Stored Data Manipulationimpact70 %
AV:N/PR:N/UI:N indica acceso remoto sin autenticación (T1190). El atacante borra archivos arbitrarios mediante nonce público: impacto destructivo de datos (T1561.002) y manipulación de integridad de contenido web (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 (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-862
Referencias
Mostrar las 9 referencias
- https://github.com/rtCamp/rtMedia/releases/tag/4.7.14
- https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/shortcodes/RTMediaGalleryShortcode.php#L151
- https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadEndpoint.php#L85
- https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadModel.php#L49
- https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L180
- https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L253
- https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L91
- https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/routers/RTMediaRouter.php#L120
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ea679227-5ab3-408b-ae1b-340099880789?source=cve
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-89301",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-89301",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-11T16:41:23.834859Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@wordfence.com",
"affectedData": [
{
"vendor": "rtcamp",
"product": "rtMedia for WordPress, BuddyPress and bbPress",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "4.7.13"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-10T05:16:40.403",
"references": [
{
"url": "https://github.com/rtCamp/rtMedia/releases/tag/4.7.14",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/shortcodes/RTMediaGalleryShortcode.php#L151",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadEndpoint.php#L85",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadModel.php#L49",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L180",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L253",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L91",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/routers/RTMediaRouter.php#L120",
"source": "security@wordfence.com"
},
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ea679227-5ab3-408b-ae1b-340099880789?source=cve",
"source": "security@wordfence.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The rtMedia for WordPress, BuddyPress and bbPress plugin for WordPress is vulnerable to limited file deletion due to insufficient file path validation in the process function in all versions up to, and including, 4.7.13 This makes it possible for unauthenticated attackers to delete arbitrary safe files on the server.. The public nonce (rtmedia_upload_nonce) is emitted into frontend JavaScript on any page rendering the rtMedia gallery or upload shortcode, making it retrievable by unauthenticated visitors without any prior authentication or privileged action."
}
],
"lastModified": "2026-10-13T13:29:12.567",
"sourceIdentifier": "security@wordfence.com"
}