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CVE-2021-25016

Estado: ModificadaMedia (6.1)—

The Chaty WordPress plugin before 2.8.3 and Chaty Pro WordPress plugin before 2.8.2 do not sanitise and escape the search parameter before outputting it back in the admin dashboard, leading to a Reflected Cross-Site Scripting

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 (2)

Premio — ChatyPremio — Chaty PRO

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25016",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "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": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Floating Chat Widget: Contact Icons, Messages, Telegram, Email, SMS, Call Button – Chaty",
          "versions": [
            {
              "status": "affected",
              "version": "2.8.3",
              "lessThan": "2.8.3",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Unknown",
          "product": "Floating Chat Widget Pro - Chaty Pro",
          "versions": [
            {
              "status": "affected",
              "version": "2.8.2",
              "lessThan": "2.8.2",
              "versionType": "custom"
            }
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      ]
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  ],
  "published": "2022-01-03T13:15:08.890",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/b5035987-6227-4fc6-bc45-1e8016e5c4c0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/b5035987-6227-4fc6-bc45-1e8016e5c4c0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Chaty WordPress plugin before 2.8.3 and Chaty Pro WordPress plugin before 2.8.2 do not sanitise and escape the search parameter before outputting it back in the admin dashboard, leading to a Reflected Cross-Site Scripting"
    },
    {
      "lang": "es",
      "value": "El plugin Chaty de WordPress versiones anteriores a 2.8.3 y el plugin Chaty Pro de WordPress versiones anteriores a 2.8.2, no sanean y escapan el parámetro search antes de devolverlo al panel de administración, conllevando a un problema de tipo Cross-Site Scripting Reflejado"
    }
  ],
  "lastModified": "2026-06-17T03:41:19.030",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "AA4D92DD-900B-4133-98F8-D3315D3CDBBC",
              "versionEndExcluding": "2.8.3"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "4C5468CF-D6A8-48E6-B0F3-40E2148B55EB",
              "versionEndExcluding": "2.8.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}