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CVE-2024-21728

Status: AnalyzedMedium (6.1)—

An Open Redirect vulnerability was found in osTicky2 below 2.2.8. osTicky (osTicket Bridge) by SmartCalc is a Joomla 3.x extension that provides Joomla fronted integration with osTicket, a popular Support ticket system. The Open Redirect vulnerability allows attackers to control the return parameter in the URL to a base64 malicious URL.

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)

Smartcalc — Osticky

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-21728",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-21728",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-16T17:59:09.547488Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@joomla.org",
      "affectedData": [
        {
          "vendor": "smartcalc.es",
          "product": "osTicky component for Joomla",
          "versions": [
            {
              "status": "affected",
              "version": "2.0.0-2.2.8"
            }
          ],
          "packageName": "com_osticky",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2024-02-15T21:15:09.220",
  "references": [
    {
      "url": "https://github.com/solracsf/osTicky",
      "tags": [
        "Product"
      ],
      "source": "security@joomla.org"
    },
    {
      "url": "https://github.com/solracsf/osTicky",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@joomla.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Open Redirect vulnerability was found in osTicky2 below 2.2.8. osTicky (osTicket Bridge) by SmartCalc is a Joomla 3.x extension that provides Joomla fronted integration with osTicket, a popular Support ticket system. The Open Redirect vulnerability allows attackers to control the return parameter in the URL to a base64 malicious URL."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad de Open Redirect en osTicky2 inferior a 2.2.8. osTicky (osTicket Bridge) de SmartCalc es una extensión de Joomla 3.x que proporciona integración frontal de Joomla con osTicket, un popular sistema de tickets de soporte. La vulnerabilidad Open Redirect permite a los atacantes controlar el parámetro de retorno en la URL a una URL maliciosa base64."
    }
  ],
  "lastModified": "2026-06-17T07:10:01.450",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:smartcalc:osticky:*:*:*:*:*:joomla\\!:*:*",
              "vulnerable": true,
              "matchCriteriaId": "688E546D-B967-4476-9817-70044BE42350",
              "versionEndExcluding": "2.2.8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@joomla.org"
}