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CVE-2025-2123

Estado: AnalizadaMedia (5.1)—

A vulnerability, which was classified as problematic, has been found in GeSHi up to 1.0.9.1. Affected by this issue is the function get_var of the file /contrib/cssgen.php of the component CSS Handler. The manipulation of the argument default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

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)

Qbnz — Geshi

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-2123",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-2123",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-10T15:35:12.703127Z"
        }
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    "cvssMetricV2": [
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          "authentication": "SINGLE",
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          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
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        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 2.1
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "PASSIVE",
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          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  },
  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "modules": [
            "CSS Handler"
          ],
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          "versions": [
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              "status": "affected",
              "version": "1.0.9.0"
            },
            {
              "status": "affected",
              "version": "1.0.9.1"
            }
          ]
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        "Third Party Advisory"
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      "tags": [
        "Permissions Required",
        "VDB Entry"
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    },
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      "url": "https://vuldb.com/?id.299036",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "cna@vuldb.com"
    },
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      "url": "https://vuldb.com/?submit.507418",
      "tags": [
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        "Third Party Advisory",
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      "source": "cna@vuldb.com"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    },
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability, which was classified as problematic, has been found in GeSHi up to 1.0.9.1. Affected by this issue is the function get_var of the file /contrib/cssgen.php of the component CSS Handler. The manipulation of the argument default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad clasificada como problemática en GeSHi hasta la versión 1.0.9.1. La función get_var del archivo /contrib/cssgen.php del componente CSS Handler se ve afectada por este problema. La manipulación del argumento default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments provoca cross site scripting. El ataque puede ejecutarse de forma remota. Se ha hecho público el exploit y puede que sea utilizado."
    }
  ],
  "lastModified": "2026-06-17T09:06:22.393",
  "configurations": [
    {
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              "versionEndIncluding": "1.0.9.1"
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  "sourceIdentifier": "cna@vuldb.com"
}