CVE-2026-43892

Estado: AplazadaAlta (8.8)—

AntSword is a cross-platform website management toolkit. Prior to 2.1.16, incomplete noxss() sanitization leads to 1-click RCE via jquery.terminal format code injection. This vulnerability is fixed in 2.1.16.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.45%
Percentil entre todas las CVEs puntuadas: 37
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.

ExplotaciónT1189 Drive-by Compromiseinitial access90 %
Impacto principalT1059 Command and Scripting Interpreterexecution85 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access60 %

XSS via noxss() sanitization bypass (CWE-79) en AntSword con UI:R permite inyección de código JavaScript en jquery.terminal, resultando en RCE. Acceso remoto sin privilegios.

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

User Training Restrict Web-Based Content Privileged Account Management Application Developer Guidance Active Directory Configuration User Account Management

Tecnologías afectadas (1)

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

Antsword — Antsword^AI

CWE

CWE-79, CWE-94, CWE-1188

Referencias

https://github.com/AntSwordProject/antSword/security/advisories/GHSA-c63g-p4cp-r45x

JSON original (NVD)

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  "id": "CVE-2026-43892",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-43892",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-13T14:10:05.205581Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 8.8,
          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
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  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "AntSwordProject",
          "product": "antSword",
          "versions": [
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              "status": "affected",
              "version": "< 2.1.16"
            }
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  "published": "2026-05-12T18:17:28.640",
  "references": [
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      "url": "https://github.com/AntSwordProject/antSword/security/advisories/GHSA-c63g-p4cp-r45x",
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  ],
  "lastModified": "2026-06-17T10:50:02.373",
  "sourceIdentifier": "security-advisories@github.com"
}