Vulnerability-Lookup

CNVD-2022-87610

Vulnerability from cnvd - Published: 2022-12-14

Title

Discourse-chat跨站脚本漏洞

Description

Discourse是一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 discourse-chat 0.9之前的版本存在跨站脚本漏洞，该漏洞源于其有些地方会以不安全的方式呈现聊天频道的名称和描述，且名称和描述对用户提供的数据缺乏有效过滤与转义，攻击者可利用该漏洞导致跨站脚本攻击。

Severity

中

Patch Name

Discourse-chat跨站脚本漏洞的补丁

Patch Description

Discourse是一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 discourse-chat 0.9之前的版本存在跨站脚本漏洞，该漏洞源于其有些地方会以不安全的方式呈现聊天频道的名称和描述，且名称和描述对用户提供的数据缺乏有效过滤与转义，攻击者可利用该漏洞导致跨站脚本攻击。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

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://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgj

Reference

https://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgj

Impacted products

Name
Discourse Discourse-chat <0.9

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-39279",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-39279"
    }
  },
  "description": "Discourse\u662f\u4e00\u5957\u5f00\u6e90\u7684\u793e\u533a\u8ba8\u8bba\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u5305\u62ec\u793e\u533a\u3001\u7535\u5b50\u90ae\u4ef6\u548c\u804a\u5929\u5ba4\u7b49\u529f\u80fd\u3002\n\ndiscourse-chat 0.9\u4e4b\u524d\u7684\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176\u6709\u4e9b\u5730\u65b9\u4f1a\u4ee5\u4e0d\u5b89\u5168\u7684\u65b9\u5f0f\u5448\u73b0\u804a\u5929\u9891\u9053\u7684\u540d\u79f0\u548c\u63cf\u8ff0\uff0c\u4e14\u540d\u79f0\u548c\u63cf\u8ff0\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7f3a\u4e4f\u6709\u6548\u8fc7\u6ee4\u4e0e\u8f6c\u4e49\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8de8\u7ad9\u811a\u672c\u653b\u51fb\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgj",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-87610",
  "openTime": "2022-12-14",
  "patchDescription": "Discourse\u662f\u4e00\u5957\u5f00\u6e90\u7684\u793e\u533a\u8ba8\u8bba\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u5305\u62ec\u793e\u533a\u3001\u7535\u5b50\u90ae\u4ef6\u548c\u804a\u5929\u5ba4\u7b49\u529f\u80fd\u3002\r\n\r\ndiscourse-chat 0.9\u4e4b\u524d\u7684\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176\u6709\u4e9b\u5730\u65b9\u4f1a\u4ee5\u4e0d\u5b89\u5168\u7684\u65b9\u5f0f\u5448\u73b0\u804a\u5929\u9891\u9053\u7684\u540d\u79f0\u548c\u63cf\u8ff0\uff0c\u4e14\u540d\u79f0\u548c\u63cf\u8ff0\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7f3a\u4e4f\u6709\u6548\u8fc7\u6ee4\u4e0e\u8f6c\u4e49\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8de8\u7ad9\u811a\u672c\u653b\u51fb\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": "Discourse-chat\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Discourse Discourse-chat \u003c0.9"
  },
  "referenceLink": "https://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgj",
  "serverity": "\u4e2d",
  "submitTime": "2022-10-10",
  "title": "Discourse-chat\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2022-39279 (GCVE-0-2022-39279)

Vulnerability from cvelistv5 – Published: 2022-10-06 00:00 – Updated: 2025-04-23 16:52

Title

Discourse-chat plugin susceptible to XSS in channel name and description

Summary

discourse-chat is a plugin for the Discourse message board which adds chat functionality. In versions prior to 0.9 some places render a chat channel's name and description in an unsafe way, allowing staff members to cause an cross site scripting (XSS) attack by inserting unsafe HTML into them. Version 0.9 has addressed this issue. Users are advised to upgrade. There are no known workarounds for this issue.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 13:56 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/discourse/discourse-chat/secur…
https://github.com/discourse/discourse-chat/commi…

Impacted products

1 product

Vendor	Product	Version
discourse	discourse-chat	Affected: < 0.9

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T12:00:43.813Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgj"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse-chat/commit/25737733af48e5b9fa60b0561d7fde14bea13cce"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-39279",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:56:42.927442Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-23T16:52:20.133Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "discourse-chat",
          "vendor": "discourse",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.9"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "discourse-chat is a plugin for the Discourse message board which adds chat functionality. In versions prior to 0.9 some places render a chat channel\u0027s name and description in an unsafe way, allowing staff members to cause an cross site scripting (XSS) attack by inserting unsafe HTML into them. Version 0.9 has addressed this issue. Users are advised to upgrade. There are no known workarounds for this issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-11T00:00:00.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "url": "https://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgj"
        },
        {
          "url": "https://github.com/discourse/discourse-chat/commit/25737733af48e5b9fa60b0561d7fde14bea13cce"
        }
      ],
      "source": {
        "advisory": "GHSA-qp62-8m3c-9jgj",
        "discovery": "UNKNOWN"
      },
      "title": "Discourse-chat plugin susceptible to XSS in channel name and description"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-39279",
    "datePublished": "2022-10-06T00:00:00.000Z",
    "dateReserved": "2022-09-02T00:00:00.000Z",
    "dateUpdated": "2025-04-23T16:52:20.133Z",
    "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.