Vulnerability-Lookup

CNVD-2021-36050

Vulnerability from cnvd - Published: 2021-05-20

Title

WordPress WPBakery Page Builder Clipboard Plugin跨站脚本漏洞

Description

WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress WPBakery Page Builder (Visual Composer) Clipboard Plugin 4.5.6之前版本存在跨站脚本漏洞。该漏洞源于程序未执行功能检查或正确过滤。攻击者可利用该漏洞触发跨站脚本执行。

Severity

低

Patch Name

WordPress WPBakery Page Builder Clipboard Plugin跨站脚本漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：
https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-24243

Impacted products

Name
WordPress WPBakery Page Builder Clipboard Plugin <4.5.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-24243",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-24243"
    }
  },
  "description": "WordPress\u662fWordPress\uff08Wordpress\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4f7f\u7528PHP\u8bed\u8a00\u5f00\u53d1\u7684\u535a\u5ba2\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u652f\u6301\u5728PHP\u548cMySQL\u7684\u670d\u52a1\u5668\u4e0a\u67b6\u8bbe\u4e2a\u4eba\u535a\u5ba2\u7f51\u7ad9\u3002\n\nWordPress WPBakery Page Builder (Visual Composer) Clipboard Plugin 4.5.6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u6267\u884c\u529f\u80fd\u68c0\u67e5\u6216\u6b63\u786e\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u8de8\u7ad9\u811a\u672c\u6267\u884c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a  \r\nhttps://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-36050",
  "openTime": "2021-05-20",
  "patchDescription": "WordPress\u662fWordPress\uff08Wordpress\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4f7f\u7528PHP\u8bed\u8a00\u5f00\u53d1\u7684\u535a\u5ba2\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u652f\u6301\u5728PHP\u548cMySQL\u7684\u670d\u52a1\u5668\u4e0a\u67b6\u8bbe\u4e2a\u4eba\u535a\u5ba2\u7f51\u7ad9\u3002\r\n\r\nWordPress WPBakery Page Builder (Visual Composer) Clipboard Plugin 4.5.6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u6267\u884c\u529f\u80fd\u68c0\u67e5\u6216\u6b63\u786e\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u8de8\u7ad9\u811a\u672c\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "WordPress WPBakery Page Builder Clipboard Plugin\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "WordPress WPBakery Page Builder Clipboard Plugin \u003c4.5.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-24243",
  "serverity": "\u4f4e",
  "submitTime": "2021-05-14",
  "title": "WordPress WPBakery Page Builder Clipboard Plugin\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2021-24243 (GCVE-0-2021-24243)

Vulnerability from cvelistv5 – Published: 2021-05-05 18:39 – Updated: 2024-08-03 19:21

Title

WPBakery Page Builder Clipboard < 4.5.6 - Subscriber+ Stored Cross-Site Scripting (XSS)

Summary

An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.

Severity

No CVSS data available.

CWE

CWE-79 - Cross-site Scripting (XSS)

Assigner

WPScan mitre root

References

2 references

URL	Tags
https://wpscan.com/vulnerability/3bc0733a-b949-40…	x_refsource_CONFIRM
https://codecanyon.net/item/visual-composer-clipb…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
bitorbit	WPBakery Page Builder (Visual Composer) Clipboard	Affected: 4.5.0 , < 4.5.0* (custom) Affected: 4.5.6 , < 4.5.6 (custom)

Credits

Charles Strader Sweethill

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:21:18.708Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://codecanyon.net/item/visual-composer-clipboard/8897711"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "WPBakery Page Builder (Visual Composer) Clipboard",
          "vendor": "bitorbit",
          "versions": [
            {
              "lessThan": "4.5.0*",
              "status": "affected",
              "version": "4.5.0",
              "versionType": "custom"
            },
            {
              "lessThan": "4.5.6",
              "status": "affected",
              "version": "4.5.6",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Charles Strader Sweethill"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Cross-site Scripting (XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-05T18:39:42.000Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://codecanyon.net/item/visual-composer-clipboard/8897711"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "WPBakery Page Builder Clipboard \u003c 4.5.6 - Subscriber+ Stored Cross-Site Scripting (XSS)",
      "x_generator": "WPScan CVE Generator",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "contact@wpscan.com",
          "ID": "CVE-2021-24243",
          "STATE": "PUBLIC",
          "TITLE": "WPBakery Page Builder Clipboard \u003c 4.5.6 - Subscriber+ Stored Cross-Site Scripting (XSS)"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "WPBakery Page Builder (Visual Composer) Clipboard",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_name": "4.5.0",
                            "version_value": "4.5.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "4.5.6",
                            "version_value": "4.5.6"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "bitorbit"
              }
            ]
          }
        },
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          }
        ],
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            }
          ]
        },
        "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/3bc0733a-b949-40c9-a5fb-f56814fc4af3",
              "refsource": "CONFIRM",
              "url": "https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3"
            },
            {
              "name": "https://codecanyon.net/item/visual-composer-clipboard/8897711",
              "refsource": "MISC",
              "url": "https://codecanyon.net/item/visual-composer-clipboard/8897711"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2021-24243",
    "datePublished": "2021-05-05T18:39:42.000Z",
    "dateReserved": "2021-01-14T00:00:00.000Z",
    "dateUpdated": "2024-08-03T19:21:18.708Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.