GHSA-C9VX-2G7W-RP65

Vulnerability from github – Published: 2023-07-18 16:58 – Updated: 2023-07-19 20:04
VLAI?
Summary
matrix-react-sdk vulnerable to XSS in Export Chat feature
Details

Description

The Export Chat feature includes certain attacker-controlled elements in the generated document without sufficient escaping, leading to stored XSS.

Impact

Since the Export Chat feature generates a separate document, an attacker can only inject code run from the null origin, restricting the impact.

However, the attacker can still potentially use the XSS to leak message contents. A malicious homeserver is a potential attacker since the affected inputs are controllable server-side.

Patches

This was patched in matrix-react-sdk 3.76.0.

Workarounds

None, other than not using the Export Chat feature.

References

N/A

Severity ?
6.1 (Medium)
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "matrix-react-sdk"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.32.0"
            },
            {
              "fixed": "3.76.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-37259"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79",
      "CWE-80"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-18T16:58:01Z",
    "nvd_published_at": "2023-07-18T17:15:11Z",
    "severity": "MODERATE"
  },
  "details": "### Description\n\nThe Export Chat feature includes certain attacker-controlled elements in the generated document without sufficient escaping, leading to stored XSS.\n\n### Impact\n\nSince the Export Chat feature generates a separate document, an attacker can only inject code run from the `null` origin, restricting the impact.\n\nHowever, the attacker can still potentially use the XSS to leak message contents. A malicious homeserver is a potential attacker since the affected inputs are controllable server-side.\n\n### Patches\nThis was patched in matrix-react-sdk 3.76.0.\n\n### Workarounds\nNone, other than not using the Export Chat feature.\n\n### References\nN/A\n",
  "id": "GHSA-c9vx-2g7w-rp65",
  "modified": "2023-07-19T20:04:38Z",
  "published": "2023-07-18T16:58:01Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-c9vx-2g7w-rp65"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-37259"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-react-sdk/commit/22fcd34c606f32129ebc967fc21f24fb708a98b8"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/matrix-org/matrix-react-sdk"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-react-sdk/releases/tag/v3.76.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "matrix-react-sdk vulnerable to XSS in Export Chat feature"
}


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  • 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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.



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