CVE-2026-57728

Estado: AplazadaAlta (7.1)—

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in UX-themes Flatsome flatsome allows Reflected XSS.This issue affects Flatsome: from n/a through <= 3.20.5.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Puntuación base: 7.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.25%
Percentil entre todas las CVEs puntuadas: 15
Fecha de la puntuación: 3/10/2026

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.

ExplotaciónT1189 Drive-by Compromiseinitial access85 %
Impacto principalT1059.007 JavaScriptexecution80 %

Reflected XSS en Flatsome (CWE-79) requiere interacción del usuario (UI:R) en contexto web, clasificado como T1189. El impacto es ejecución de JavaScript en el navegador (T1059.007).

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

Restrict Web-Based Content User Training Execution Prevention Behavior Prevention on Endpoint Disable or Remove Feature or Program Application Isolation and Sandboxing

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Uxthemes — Flatsome^AI

CWE

CWE-79

Referencias

https://patchstack.com/database/Wordpress/Theme/flatsome/vulnerability/wordpress-flatsome-theme-3-20-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

JSON original (NVD)

Mostrar

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        "ssvcData": {
          "id": "CVE-2026-57728",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-13T14:15:24.800726Z"
        }
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "audit@patchstack.com",
      "affectedData": [
        {
          "vendor": "UX-themes",
          "product": "Flatsome",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "3.20.5"
            }
          ],
          "packageName": "flatsome",
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
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  "published": "2026-07-13T10:16:39.540",
  "references": [
    {
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in UX-themes Flatsome flatsome allows Reflected XSS.This issue affects Flatsome: from n/a through <= 3.20.5."
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  ],
  "lastModified": "2026-07-13T17:18:01.270",
  "sourceIdentifier": "audit@patchstack.com"
}