GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-24794 (GCVE-0-2021-24794)

Vulnerability from cvelistv5 – Published: 2021-11-01 08:46 – Updated: 2024-08-03 19:42
VLAI
Title
Connections Business Directory < 10.4.3 - Admin+ Stored Cross-Site Scripting
Summary
The Connections Business Directory WordPress plugin before 10.4.3 does not escape the Address settings when creating an Entry, which could allow high privilege users to perform Cross-Site Scripting when the unfiltered_html capability is disallowed.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/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 Connections Business Directory Affected: 10.4.3 , < 10.4.3 (custom)
guessed Create a notification for this product.
Credits
Huy Nguyen
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:42:17.200Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/651dc567-943e-4f57-8ec4-6eee466785f5"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Connections Business Directory",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "10.4.3",
              "status": "affected",
              "version": "10.4.3",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Huy Nguyen"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Connections Business Directory WordPress plugin before 10.4.3 does not escape the Address settings when creating an Entry, which could allow high privilege users to perform Cross-Site Scripting when the unfiltered_html capability is disallowed."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Cross-site Scripting (XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-01T08:46:26.000Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://wpscan.com/vulnerability/651dc567-943e-4f57-8ec4-6eee466785f5"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Connections Business Directory \u003c 10.4.3 - Admin+ Stored Cross-Site Scripting",
      "x_generator": "WPScan CVE Generator",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "contact@wpscan.com",
          "ID": "CVE-2021-24794",
          "STATE": "PUBLIC",
          "TITLE": "Connections Business Directory \u003c 10.4.3 - Admin+ Stored Cross-Site Scripting"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Connections Business Directory",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "10.4.3",
                            "version_value": "10.4.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Unknown"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Huy Nguyen"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The Connections Business Directory WordPress plugin before 10.4.3 does not escape the Address settings when creating an Entry, which could allow high privilege users to perform Cross-Site Scripting when the unfiltered_html capability is disallowed."
            }
          ]
        },
        "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/651dc567-943e-4f57-8ec4-6eee466785f5",
              "refsource": "MISC",
              "url": "https://wpscan.com/vulnerability/651dc567-943e-4f57-8ec4-6eee466785f5"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2021-24794",
    "datePublished": "2021-11-01T08:46:26.000Z",
    "dateReserved": "2021-01-14T00:00:00.000Z",
    "dateUpdated": "2024-08-03T19:42:17.200Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-24794",
      "date": "2026-09-16",
      "epss": "0.00728",
      "percentile": "0.52459"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:connections-pro:connections_business_directory:*:*:*:*:*:wordpress:*:*\", \"versionEndExcluding\": \"10.4.3\", \"matchCriteriaId\": \"9E35600E-3F7A-47E4-BEED-B07678736A5B\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"The Connections Business Directory WordPress plugin before 10.4.3 does not escape the Address settings when creating an Entry, which could allow high privilege users to perform Cross-Site Scripting when the unfiltered_html capability is disallowed.\"}, {\"lang\": \"es\", \"value\": \"El plugin Connections Business Directory de WordPress versiones anteriores a 10.4.3, no escapa a la configuraci\\u00f3n de la direcci\\u00f3n cuando se crea una entrada, lo que podr\\u00eda permitir a usuarios con altos privilegios llevar a cabo ataques de tipo Cross-Site Scripting cuando la capacidad unfiltered_html no est\\u00e1 permitida\"}]",
      "id": "CVE-2021-24794",
      "lastModified": "2024-11-21T05:53:46.630",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N\", \"baseScore\": 4.8, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.7, \"impactScore\": 2.7}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:S/C:N/I:P/A:N\", \"baseScore\": 3.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 6.8, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2021-11-01T09:15:09.477",
      "references": "[{\"url\": \"https://wpscan.com/vulnerability/651dc567-943e-4f57-8ec4-6eee466785f5\", \"source\": \"contact@wpscan.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://wpscan.com/vulnerability/651dc567-943e-4f57-8ec4-6eee466785f5\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "contact@wpscan.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"contact@wpscan.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-79\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-79\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-24794\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2021-11-01T09:15:09.477\",\"lastModified\":\"2024-11-21T05:53:46.630\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Connections Business Directory WordPress plugin before 10.4.3 does not escape the Address settings when creating an Entry, which could allow high privilege users to perform Cross-Site Scripting when the unfiltered_html capability is disallowed.\"},{\"lang\":\"es\",\"value\":\"El plugin Connections Business Directory de WordPress versiones anteriores a 10.4.3, no escapa a la configuraci\u00f3n de la direcci\u00f3n cuando se crea una entrada, lo que podr\u00eda permitir a usuarios con altos privilegios llevar a cabo ataques de tipo Cross-Site Scripting cuando la capacidad unfiltered_html no est\u00e1 permitida\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":4.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.7,\"impactScore\":2.7}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:N/I:P/A:N\",\"baseScore\":3.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":6.8,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"contact@wpscan.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:connections-pro:connections_business_directory:*:*:*:*:*:wordpress:*:*\",\"versionEndExcluding\":\"10.4.3\",\"matchCriteriaId\":\"9E35600E-3F7A-47E4-BEED-B07678736A5B\"}]}]}],\"references\":[{\"url\":\"https://wpscan.com/vulnerability/651dc567-943e-4f57-8ec4-6eee466785f5\",\"source\":\"contact@wpscan.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://wpscan.com/vulnerability/651dc567-943e-4f57-8ec4-6eee466785f5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:38:01+00:00",
      "cve": "CVE-2021-24794",
      "id": "CVE-2021-24794",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Connections Business Directory \u003c 10.4.3 - Admin+ Stored Cross-Site Scripting",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-24794.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.