Vulnerability-Lookup

CNVD-2021-100233

Vulnerability from cnvd - Published: 2021-12-15

Title

WordPress插件跨站脚本漏洞（CNVD-2021-100233）

Description

WordPress是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 插件是WordPress开源的一个应用插件。 WordPress Post Title Counter插件存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

Severity

中

Patch Name

WordPress插件跨站脚本漏洞（CNVD-2021-100233）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38326

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-38326

Impacted products

Name
WordPress Post Title Counter <=1.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-38326"
    }
  },
  "description": "WordPress\u662fWordpress\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\u3002WordPress \u63d2\u4ef6\u662fWordPress\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u63d2\u4ef6\u3002\n\nWordPress Post Title Counter\u63d2\u4ef6\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u5e94\u7528\u7f3a\u5c11\u5bf9\u5ba2\u6237\u7aef\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u5ba2\u6237\u7aef\u4ee3\u7801\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-100233",
  "openTime": "2021-12-15",
  "patchDescription": "WordPress\u662fWordpress\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\u3002WordPress \u63d2\u4ef6\u662fWordPress\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u63d2\u4ef6\u3002\r\n\r\nWordPress Post Title Counter\u63d2\u4ef6\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u5e94\u7528\u7f3a\u5c11\u5bf9\u5ba2\u6237\u7aef\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u5ba2\u6237\u7aef\u4ee3\u7801\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\u63d2\u4ef6\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-100233\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "WordPress Post Title Counter \u003c=1.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-38326",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-11",
  "title": "WordPress\u63d2\u4ef6\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-100233\uff09"
}

CVE-2021-38326 (GCVE-0-2021-38326)

Vulnerability from cvelistv5 – Published: 2021-09-10 13:32 – Updated: 2025-05-02 19:53

Title

Post Title Counter <= 1.1 Reflected Cross-Site Scripting

Summary

The Post Title Counter WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the notice parameter found in the ~/post-title-counter.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.1.

Severity

6.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-02 19:53 UTC

CWE

CWE-79 - Cross-site Scripting (XSS)

Assigner

Wordfence mitre root

References

2 references

URL	Tags
https://www.wordfence.com/vulnerability-advisorie…	x_refsource_MISC
https://plugins.trac.wordpress.org/browser/post-t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Post Title Counter	Post Title Counter	Affected: 1.1 , ≤ 1.1 (custom)

Date Public

2021-09-09 00:00

Credits

p7e4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:37:16.406Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38326"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://plugins.trac.wordpress.org/browser/post-title-counter/tags/1.1/post-title-counter.php#L87"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2021-38326",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-02T19:53:15.284245Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-02T19:53:19.419Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Post Title Counter",
          "vendor": "Post Title Counter",
          "versions": [
            {
              "lessThanOrEqual": "1.1",
              "status": "affected",
              "version": "1.1",
              "versionType": "custom"
            }
          ]
        }
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      "credits": [
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        }
      ],
      "datePublic": "2021-09-09T00:00:00.000Z",
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
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            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Cross-site Scripting (XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-10T13:32:44.000Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38326"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://plugins.trac.wordpress.org/browser/post-title-counter/tags/1.1/post-title-counter.php#L87"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Uninstall plugin from WordPress site."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Post Title Counter \u003c= 1.1 Reflected Cross-Site Scripting",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "AKA": "Wordfence",
          "ASSIGNER": "security@wordfence.com",
          "DATE_PUBLIC": "2021-09-09T16:20:00.000Z",
          "ID": "CVE-2021-38326",
          "STATE": "PUBLIC",
          "TITLE": "Post Title Counter \u003c= 1.1 Reflected Cross-Site Scripting"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Post Title Counter",
                      "version": {
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                            "version_name": "1.1",
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                      }
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                  ]
                },
                "vendor_name": "Post Title Counter"
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          }
        },
        "credit": [
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        "data_format": "MITRE",
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            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38326",
              "refsource": "MISC",
              "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38326"
            },
            {
              "name": "https://plugins.trac.wordpress.org/browser/post-title-counter/tags/1.1/post-title-counter.php#L87",
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    "assignerShortName": "Wordfence",
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    "datePublished": "2021-09-10T13:32:44.208Z",
    "dateReserved": "2021-08-09T00:00:00.000Z",
    "dateUpdated": "2025-05-02T19:53:19.419Z",
    "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.