ghsa-qpgm-gjgf-8c2x
Vulnerability from github
Published
2023-05-26 13:55
Modified
2023-06-02 23:52
Summary
Craft CMS XSS in RSS widget feed
Details

Summary

A malformed RSS feed can deliver an XSS payload

PoC

Create an RSS widget and add the domain https://blog.whitebear.vn/file/rss-xss2.rss The XSS payload will be triggered by the title in tag <item>

Resolved in https://github.com/craftcms/cms/commit/b77cb3023bed4f4a37c11294c4d319ff9f598e1f

Show details on source website


{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.4.5"
      },
      "package": {
        "ecosystem": "Packagist",
        "name": "craftcms/cms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.3.0"
            },
            {
              "fixed": "4.4.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-33195"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-05-26T13:55:00Z",
    "nvd_published_at": "2023-05-27T04:15:25Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nA malformed RSS feed can deliver an XSS payload\n\n### PoC\nCreate an RSS widget and add the domain https://blog.whitebear.vn/file/rss-xss2.rss\nThe XSS payload will be triggered by the title in tag `\u003citem\u003e`\n\nResolved in https://github.com/craftcms/cms/commit/b77cb3023bed4f4a37c11294c4d319ff9f598e1f\n",
  "id": "GHSA-qpgm-gjgf-8c2x",
  "modified": "2023-06-02T23:52:23Z",
  "published": "2023-05-26T13:55:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/craftcms/cms/security/advisories/GHSA-qpgm-gjgf-8c2x"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33195"
    },
    {
      "type": "WEB",
      "url": "https://github.com/craftcms/cms/commit/b77cb3023bed4f4a37c11294c4d319ff9f598e1f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/craftcms/cms"
    },
    {
      "type": "WEB",
      "url": "https://github.com/craftcms/cms/releases/tag/4.4.6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Craft CMS XSS in RSS widget feed"
}


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