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CVE-2021-33371

Estado: ModificadaMedia (5.4)—

A stored cross-site scripting (XSS) vulnerability in /nav_bar_action.php of Student Management System v1.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Chat box.

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)

Kabir-m-alhasan — Student Management System

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-33371",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-07-28T00:15:08.223",
  "references": [
    {
      "url": "https://www.exploit-db.com/exploits/49865",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/49865",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A stored cross-site scripting (XSS) vulnerability in /nav_bar_action.php of Student Management System v1.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Chat box."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo cross-site scripting (XSS) almacenado en el archivo /nav_bar_action.php de Student Management System versión v1.0, permite a atacantes ejecutar scripts web o HTML arbitrarios por medio de una carga útil diseñada inyectada en el cuadro de chat"
    }
  ],
  "lastModified": "2026-06-17T03:54:31.233",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kabir-m-alhasan:student_management_system:1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DE34A5BA-7A78-468F-B9C4-52C04171930C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}