CVE-2021-24220
Estado: ModificadaCrítica (9.1)—
Thrive “Legacy” Rise by Thrive Themes WordPress theme before 2.0.0, Luxe by Thrive Themes WordPress theme before 2.0.0, Minus by Thrive Themes WordPress theme before 2.0.0, Ignition by Thrive Themes WordPress theme before 2.0.0, FocusBlog by Thrive Themes WordPress theme before 2.0.0, Squared by Thrive Themes WordPress theme before 2.0.0, Voice WordPress theme before 2.0.0, Performag by Thrive Themes WordPress theme before 2.0.0, Pressive by Thrive Themes WordPress theme before 2.0.0, Storied by Thrive Themes WordPress theme before 2.0.0 register a REST API endpoint to compress images using the Kraken image optimization engine.
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By supplying a crafted request in combination with data inserted using the Option Update vulnerability, it was possible to use this endpoint to retrieve malicious code from a remote URL and overwrite an existing file on the site with it or create a new file.This includes executable PHP files that contain malicious code.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Puntuación base: 9.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.95%
- Percentil entre todas las CVEs puntuadas: 90
- 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).
Tecnologías afectadas (10)
CWE
- CWE-434
Referencias
- https://wpscan.com/vulnerability/a2424354-2639-4f53-a24f-afc11f6c4cac
- https://www.wordfence.com/blog/2021/03/recently-patched-vulnerability-in-thrive-themes-actively-exploited-in-the-wild
- https://wpscan.com/vulnerability/a2424354-2639-4f53-a24f-afc11f6c4cac
- https://www.wordfence.com/blog/2021/03/recently-patched-vulnerability-in-thrive-themes-actively-exploited-in-the-wild
JSON original (NVD)
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
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"impactScore": 4.9,
"baseSeverity": "MEDIUM",
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"value": "Thrive “Legacy” Rise by Thrive Themes WordPress theme before 2.0.0, Luxe by Thrive Themes WordPress theme before 2.0.0, Minus by Thrive Themes WordPress theme before 2.0.0, Ignition by Thrive Themes WordPress theme before 2.0.0, FocusBlog by Thrive Themes WordPress theme before 2.0.0, Squared by Thrive Themes WordPress theme before 2.0.0, Voice WordPress theme before 2.0.0, Performag by Thrive Themes WordPress theme before 2.0.0, Pressive by Thrive Themes WordPress theme before 2.0.0, Storied by Thrive Themes WordPress theme before 2.0.0 register a REST API endpoint to compress images using the Kraken image optimization engine. By supplying a crafted request in combination with data inserted using the Option Update vulnerability, it was possible to use this endpoint to retrieve malicious code from a remote URL and overwrite an existing file on the site with it or create a new file.This includes executable PHP files that contain malicious code."
},
{
"lang": "es",
"value": "Thrive \"Legacy\" Rise by Thrive Themes de WordPress versiones anteriores a 2.0.0, Luxe para el tema Thrive Themes WordPress versiones anteriores a 2.0.0, Minus para el tema Thrive Themes WordPress versiones anteriores a 2.0.0, Ignition para el tema Thrive Themes WordPress versiones anteriores a 2.0.0, FocusBlog para el tema Thrive Themes WordPress versiones anteriores a 2.0.0, Squared para el tema Thrive Themes WordPress versiones anteriores a 2.0.0, el tema Voice WordPress versiones anteriores a 2.0.0, Performag para el tema Thrive Themes WordPress versiones anteriores a 2.0.0, Pressive para el tema Thrive Themes WordPress versiones anteriores a 2.0.0, Storied para el tema Thrive Themes WordPress versiones anteriores a 20.0, registra un endpoint de la API REST para comprimir imágenes utilizando el motor de optimización de imágenes Kraken. Al suministrar una petición diseñada en combinación con los datos insertados usando la vulnerabilidad de Actualización de Opciones, era posible utilizar este endpoint para recuperar código malicioso de una URL remota y sobrescribir un archivo existente en el sitio con él o crear un nuevo archivo. Esto incluye archivos PHP ejecutables que contienen código malicioso"
}
],
"lastModified": "2026-06-17T03:39:37.503",
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