Vulnerability-Lookup

CNVD-2025-18833

Vulnerability from cnvd - Published: 2025-08-19

Title

WordPress B Blocks plugin缺少授权漏洞

Description

WordPress B Blocks plugin是WordPress的Gutenberg插件，用于增强页面编辑功能。它提供多种美观的区块（如按钮、滑块等），支持高度自定义设计（如字体、颜色、间距等），并包含预设计主题和图标库。该插件优化性能，可实现复杂页面布局设计，同时兼容Google Fonts和Elementor等主流插件。 WordPress B Blocks plugin存在缺少授权漏洞，该漏洞源于rgfr_registration函数中缺少授权和输入验证不当，攻击者可利用该漏洞创建管理员账户。

Severity

高

Patch Name

WordPress B Blocks plugin缺少授权漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://wordpress.org/plugins/b-blocks/

Reference

https://plugins.trac.wordpress.org/browser/b-blocks/trunk/includes/blocks/RegisterForm.php#L77

Impacted products

Name
WordPress B Blocks plugin <=2.0.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-8059",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-8059"
    }
  },
  "description": "WordPress B Blocks plugin\u662fWordPress\u7684Gutenberg\u63d2\u4ef6\uff0c\u7528\u4e8e\u589e\u5f3a\u9875\u9762\u7f16\u8f91\u529f\u80fd\u3002\u5b83\u63d0\u4f9b\u591a\u79cd\u7f8e\u89c2\u7684\u533a\u5757\uff08\u5982\u6309\u94ae\u3001\u6ed1\u5757\u7b49\uff09\uff0c\u652f\u6301\u9ad8\u5ea6\u81ea\u5b9a\u4e49\u8bbe\u8ba1\uff08\u5982\u5b57\u4f53\u3001\u989c\u8272\u3001\u95f4\u8ddd\u7b49\uff09\uff0c\u5e76\u5305\u542b\u9884\u8bbe\u8ba1\u4e3b\u9898\u548c\u56fe\u6807\u5e93\u3002\u8be5\u63d2\u4ef6\u4f18\u5316\u6027\u80fd\uff0c\u53ef\u5b9e\u73b0\u590d\u6742\u9875\u9762\u5e03\u5c40\u8bbe\u8ba1\uff0c\u540c\u65f6\u517c\u5bb9Google Fonts\u548cElementor\u7b49\u4e3b\u6d41\u63d2\u4ef6\u3002\n\nWordPress B Blocks plugin\u5b58\u5728\u7f3a\u5c11\u6388\u6743\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ergfr_registration\u51fd\u6570\u4e2d\u7f3a\u5c11\u6388\u6743\u548c\u8f93\u5165\u9a8c\u8bc1\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u7ba1\u7406\u5458\u8d26\u6237\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://wordpress.org/plugins/b-blocks/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-18833",
  "openTime": "2025-08-19",
  "patchDescription": "WordPress B Blocks plugin\u662fWordPress\u7684Gutenberg\u63d2\u4ef6\uff0c\u7528\u4e8e\u589e\u5f3a\u9875\u9762\u7f16\u8f91\u529f\u80fd\u3002\u5b83\u63d0\u4f9b\u591a\u79cd\u7f8e\u89c2\u7684\u533a\u5757\uff08\u5982\u6309\u94ae\u3001\u6ed1\u5757\u7b49\uff09\uff0c\u652f\u6301\u9ad8\u5ea6\u81ea\u5b9a\u4e49\u8bbe\u8ba1\uff08\u5982\u5b57\u4f53\u3001\u989c\u8272\u3001\u95f4\u8ddd\u7b49\uff09\uff0c\u5e76\u5305\u542b\u9884\u8bbe\u8ba1\u4e3b\u9898\u548c\u56fe\u6807\u5e93\u3002\u8be5\u63d2\u4ef6\u4f18\u5316\u6027\u80fd\uff0c\u53ef\u5b9e\u73b0\u590d\u6742\u9875\u9762\u5e03\u5c40\u8bbe\u8ba1\uff0c\u540c\u65f6\u517c\u5bb9Google Fonts\u548cElementor\u7b49\u4e3b\u6d41\u63d2\u4ef6\u3002\r\n\r\nWordPress B Blocks plugin\u5b58\u5728\u7f3a\u5c11\u6388\u6743\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ergfr_registration\u51fd\u6570\u4e2d\u7f3a\u5c11\u6388\u6743\u548c\u8f93\u5165\u9a8c\u8bc1\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u7ba1\u7406\u5458\u8d26\u6237\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 B Blocks plugin\u7f3a\u5c11\u6388\u6743\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "WordPress B Blocks plugin \u003c=2.0.6"
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  "referenceLink": "https://plugins.trac.wordpress.org/browser/b-blocks/trunk/includes/blocks/RegisterForm.php#L77",
  "serverity": "\u9ad8",
  "submitTime": "2025-08-15",
  "title": "WordPress B Blocks plugin\u7f3a\u5c11\u6388\u6743\u6f0f\u6d1e"
}

CVE-2025-8059 (GCVE-0-2025-8059)

Vulnerability from cvelistv5 – Published: 2025-08-12 04:25 – Updated: 2026-04-08 16:35

Title

B Blocks <= 2.0.6 - Missing Authorization to Unauthenticated Privilege Escalation via rgfr_registration Function

Summary

The B Blocks plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization and improper input validation within the rgfr_registration() function in all versions up to, and including, 2.0.6. This makes it possible for unauthenticated attackers to create a new account and assign it the administrator role.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-12 16:01 UTC

CWE

CWE-862 - Missing Authorization

Assigner

Wordfence mitre root

References

4 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://plugins.trac.wordpress.org/browser/b-bloc…
https://wordpress.org/plugins/b-blocks/#developers
https://plugins.trac.wordpress.org/changeset/3340770/

Impacted products

1 product

Vendor	Product	Version
bplugins	bBlocks – Essential Gutenberg Blocks & Patterns Collection	Affected: 0 , ≤ 2.0.6 (semver)

Credits

Peter Thaleikis

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
      {
        "metrics": [
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              "content": {
                "id": "CVE-2025-8059",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-12T16:01:35.001888Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-12T16:01:52.109Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "bBlocks \u2013 Essential Gutenberg Blocks \u0026 Patterns Collection",
          "vendor": "bplugins",
          "versions": [
            {
              "lessThanOrEqual": "2.0.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
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          "type": "finder",
          "value": "Peter Thaleikis"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The B Blocks plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization and improper input validation within the rgfr_registration() function in all versions up to, and including, 2.0.6. This makes it possible for unauthenticated attackers to create a new account and assign it the administrator role."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T16:35:34.334Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0ee3b389-60c9-4f8e-9428-a71a6d9b20aa?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/b-blocks/trunk/includes/blocks/RegisterForm.php#L77"
        },
        {
          "url": "https://wordpress.org/plugins/b-blocks/#developers"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3340770/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-08-06T12:25:10.000Z",
          "value": "Vendor Notified"
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          "lang": "en",
          "time": "2025-08-11T16:24:23.000Z",
          "value": "Disclosed"
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      ],
      "title": "B Blocks \u003c= 2.0.6 - Missing Authorization to Unauthenticated Privilege Escalation via rgfr_registration Function"
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    "datePublished": "2025-08-12T04:25:40.466Z",
    "dateReserved": "2025-07-22T20:41:06.881Z",
    "dateUpdated": "2026-04-08T16:35:34.334Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.