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CVE-2021-33966

Status: ModifiedMedium (5.4)—

Cross site scripting (XSS) vulnerability in spotweb 1.4.9, allows authenticated attackers to execute arbitrary code via crafted GET request to the login page.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Spotweb Project — Spotweb

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-33966",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "baseScore": 3.5,
          "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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          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
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  "affected": [
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      "affectedData": [
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          "product": "n/a",
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  "published": "2022-01-21T19:15:09.127",
  "references": [
    {
      "url": "https://packetstormsecurity.com/files/162731/Spotweb-Develop-1.4.9-Cross-Site-Scripting.html",
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        "VDB Entry"
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-79"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Cross site scripting (XSS) vulnerability in spotweb 1.4.9, allows authenticated attackers to execute arbitrary code via crafted GET request to the login page."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo cross site scripting (XSS) en spotweb versión 1.4.9, permite a atacantes autenticados ejecutar código arbitrario por medio de una petición GET diseñada a la página de login"
    }
  ],
  "lastModified": "2026-06-17T03:55:24.810",
  "configurations": [
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}