FKIE_CVE-2021-24808

Vulnerability from fkie_nvd - Published: 2021-11-01 09:15 - Updated: 2026-06-17 03:40
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
The BP Better Messages WordPress plugin before 1.9.9.41 sanitise (with sanitize_text_field) but does not escape the 'subject' parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue
References
contact@wpscan.comhttps://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.phpPatch, Third Party Advisory
contact@wpscan.comhttps://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.phpPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4Exploit, Third Party Advisory
Impacted products
Vendor Product Version
wordplus better_messages *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "BP Better Messages",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.9.9.41",
              "status": "affected",
              "version": "1.9.9.41",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wordplus:better_messages:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "4535030A-D315-4B6A-BD39-52BB1375C3E1",
              "versionEndExcluding": "1.9.9.41",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The BP Better Messages WordPress plugin before 1.9.9.41 sanitise (with sanitize_text_field) but does not escape the \u0027subject\u0027 parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue"
    },
    {
      "lang": "es",
      "value": "El plugin BP Better Messages de WordPress versiones anteriores a 1.9.9.41, sanea (con sanitize_text_field) pero no escapa el par\u00e1metro \"subject\" antes de devolverlo en un atributo, conllevando un problema de tipo Cross-Site Scripting Reflejado"
    }
  ],
  "id": "CVE-2021-24808",
  "lastModified": "2026-06-17T03:40:56.630",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-11-01T09:15:09.587",
  "references": [
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php"
    },
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "contact@wpscan.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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