FKIE_CVE-2026-21627

Vulnerability from fkie_nvd - Published: 2026-02-20 15:20 - Updated: 2026-06-17 10:18
Severity
9.5 (Critical) - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Summary
The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.
References
security@joomla.orghttps://tassos.gr
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Novarain/Tassos Framework (plg_system_nrframework)",
          "vendor": "tassos.gr",
          "versions": [
            {
              "status": "affected",
              "version": "4.10.14\u20136.0.37"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Convert Forms",
          "vendor": "tassos.gr",
          "versions": [
            {
              "status": "affected",
              "version": "3.2.12\u20135.1.0"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "EngageBox",
          "vendor": "tassos.gr",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.0\u20137.1.0"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Google Structured Data",
          "vendor": "tassos.gr",
          "versions": [
            {
              "status": "affected",
              "version": "5.1.7\u20136.1.0"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Advanced Custom Fields",
          "vendor": "tassos.gr",
          "versions": [
            {
              "status": "affected",
              "version": "2.2.0\u20133.1.0"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Smile Pack",
          "vendor": "tassos.gr",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0\u20132.1.0"
            }
          ]
        }
      ],
      "source": "security@joomla.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla\u2019s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad estaba arraigada en c\u00f3mo el plugin Tassos Framework manejaba solicitudes AJAX espec\u00edficas a trav\u00e9s del punto de entrada com_ajax de Joomla. Bajo ciertas condiciones, la funcionalidad interna del framework podr\u00eda ser invocada sin la restricci\u00f3n adecuada."
    }
  ],
  "id": "CVE-2026-21627",
  "lastModified": "2026-06-17T10:18:50.007",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.5,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security@joomla.org",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-21627",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-20T20:42:52.948106Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-02-20T15:20:29.467",
  "references": [
    {
      "source": "security@joomla.org",
      "url": "https://tassos.gr"
    }
  ],
  "sourceIdentifier": "security@joomla.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "security@joomla.org",
      "type": "Secondary"
    }
  ]
}



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