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CVE-2021-42233

Estado: ModificadaMedia (5.4)—

The Simple Blog plugin in Wondercms 3.4.1 is vulnerable to stored cross-site scripting (XSS) vulnerability. When any user opens a particular blog hosted on an attackers' site, XSS may occur.

CVSS

Probabilidad de explotación (EPSS)

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 (1)

Simple Blog Project — Simple Blog

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-42233",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
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        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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    "cvssMetricV31": [
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          "integrityImpact": "LOW",
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  "affected": [
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      "affectedData": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Simple Blog plugin in Wondercms 3.4.1 is vulnerable to stored cross-site scripting (XSS) vulnerability. When any user opens a particular blog hosted on an attackers' site, XSS may occur."
    },
    {
      "lang": "es",
      "value": "El plugin Simple Blog de Wondercms versión 3.4.1, es vulnerable a una vulnerabilidad de tipo cross-site scripting (XSS) almacenado. Cuando cualquier usuario abre un blog particular alojado en el sitio de un atacante, puede producirse un ataque de tipo XSS"
    }
  ],
  "lastModified": "2026-06-17T04:09:30.083",
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}