CVE-2021-24808 (GCVE-0-2021-24808)

Vulnerability from cvelistv5 – Published: 2021-11-01 08:46 – Updated: 2024-08-03 19:42
VLAI
Title
BP Better Messages < 1.9.9.41 - Reflected Cross-Site Scripting
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
Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Cross-site Scripting (XSS)
Assigner
References
Impacted products
Vendor Product Version CPE status
Unknown BP Better Messages Affected: 1.9.9.41 , < 1.9.9.41 (custom)
guessed Create a notification for this product.
Credits
Brandon Roldan
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:42:17.339Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "BP Better Messages",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.9.9.41",
              "status": "affected",
              "version": "1.9.9.41",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Brandon Roldan"
        }
      ],
      "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"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Cross-site Scripting (XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-01T08:46:29.000Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "BP Better Messages \u003c 1.9.9.41 - Reflected Cross-Site Scripting",
      "x_generator": "WPScan CVE Generator",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "contact@wpscan.com",
          "ID": "CVE-2021-24808",
          "STATE": "PUBLIC",
          "TITLE": "BP Better Messages \u003c 1.9.9.41 - Reflected Cross-Site Scripting"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "BP Better Messages",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "1.9.9.41",
                            "version_value": "1.9.9.41"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Unknown"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Brandon Roldan"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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"
            }
          ]
        },
        "generator": "WPScan CVE Generator",
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-79 Cross-site Scripting (XSS)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4",
              "refsource": "MISC",
              "url": "https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4"
            },
            {
              "name": "https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php",
              "refsource": "CONFIRM",
              "url": "https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2021-24808",
    "datePublished": "2021-11-01T08:46:29.000Z",
    "dateReserved": "2021-01-14T00:00:00.000Z",
    "dateUpdated": "2024-08-03T19:42:17.339Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-24808",
      "date": "2026-09-22",
      "epss": "0.00942",
      "percentile": "0.59494"
    },
    "nvd": {
      "cve": {
        "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": "2024-11-21T05:53:48.277",
        "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"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:37:53+00:00",
      "cve": "CVE-2021-24808",
      "id": "CVE-2021-24808",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "BP Better Messages \u003c 1.9.9.41 - Reflected Cross-Site Scripting",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-24808.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.