FKIE_CVE-2021-30113

Vulnerability from fkie_nvd - Published: 2021-04-08 12:15 - Updated: 2026-06-17 03:49
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
A blind XSS vulnerability exists in Web-School ERP V 5.0 via (Add Events) in event name and description fields. An attacker can inject a JavaScript code that will be stored in the page. If any visitor sees the event, then the payload will be executed and sends the victim's information to the attacker website.
References
cve@mitre.orghttp://web-school.inProduct
cve@mitre.orghttps://github.com/0xrayan/CVEs/issues/1Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://web-school.in/try-demo/Product
af854a3a-2127-422b-91ae-364da2661108http://web-school.inProduct
af854a3a-2127-422b-91ae-364da2661108https://github.com/0xrayan/CVEs/issues/1Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://web-school.in/try-demo/Product
Impacted products
Vendor Product Version
web-school enterprise_resource_planning 5.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:web-school:enterprise_resource_planning:5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "A0691C2C-3D8B-4203-986C-755B4F6C54C8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A blind XSS vulnerability exists in Web-School ERP V 5.0 via (Add Events) in event name and description fields. An attacker can inject a JavaScript code that will be stored in the page. If any visitor sees the event, then the payload will be executed and sends the victim\u0027s information to the attacker website."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de tipo XSS ciega en Web-School ERP Versi\u00f3n V 5.0 por medio de (Add Events) en los campos event name y description.\u0026#xa0;Un atacante puede inyectar un c\u00f3digo JavaScript que ser\u00e1 almacenado en la p\u00e1gina.\u0026#xa0;Si alg\u00fan visitante visualiza el evento, la carga \u00fatil ser\u00e1 ejecutado y enviar\u00e1 la informaci\u00f3n de la v\u00edctima al sitio web del atacante"
    }
  ],
  "id": "CVE-2021-30113",
  "lastModified": "2026-06-17T03:49:41.287",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-04-08T12:15:12.650",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "http://web-school.in"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/0xrayan/CVEs/issues/1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://web-school.in/try-demo/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "http://web-school.in"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/0xrayan/CVEs/issues/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://web-school.in/try-demo/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.