CVE-2013-4949

Status: ModifiedMedium (6.8)—Exploit

Severity6.8Medium · CVSS 2.0

Exploitation probability5.45 %higher than 93% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitAvailablePublished on Exploit-DB

Unrestricted file upload vulnerability in view.php in Machform 2 allows remote attackers to execute arbitrary PHP code by uploading a PHP file, then accessing it via a direct request to the file in the upload form's directory in data/.

CVSS

Base score: 6.8
Version: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 5.45 %
Percentile among all scored CVEs: 93
Score date: 10/21/2026

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).

Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

Published on Exploit-DB · Machform Form Maker 2 - Multiple Vulnerabilities (7/2/2013)

Affected technologies (1)

Machform — Machform

CWEs

NVD-CWE-Other

References

Show 8 references

Raw JSON (NVD)

Show

{
  "id": "CVE-2013-4949",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2013-07-29T23:27:50.033",
  "references": [
    {
      "url": "http://osvdb.org/94802",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/122255/Machform-Form-Maker-2-XSS-Shell-Upload-SQL-Injection.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.exploit-db.com/exploits/26553",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/85386",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/94802",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://packetstormsecurity.com/files/122255/Machform-Form-Maker-2-XSS-Shell-Upload-SQL-Injection.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.exploit-db.com/exploits/26553",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/85386",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unrestricted file upload vulnerability in view.php in Machform 2 allows remote attackers to execute arbitrary PHP code by uploading a PHP file, then accessing it via a direct request to the file in the upload form's directory in data/."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de subida de archivo sin restricción en view.php en  Machform 2, permite a atacantes remotos ejecutar  códgo PHP arbitrario mediante la subida de un archivo PHP y posteriormente realizando un petición hacia este archivo desde el formulario de \"uploads\" en el directorio /data."
    }
  ],
  "lastModified": "2026-06-16T23:58:08.897",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:machform:machform:2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B0DFC803-BC1F-4279-8B44-D514F493F572"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/434.html\r\n\r\n'CWE-434: Unrestricted Upload of File with Dangerous Type'",
  "sourceIdentifier": "cve@mitre.org"
}