CVE-2023-48302 (GCVE-0-2023-48302)
Vulnerability from cvelistv5
Published
2023-11-21 21:53
Modified
2024-08-02 21:23
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server, when a user is tricked into copy pasting HTML code without markup (Ctrl+Shift+V) the markup will actually render. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3 contain a fix for this issue. As a workaround, disable app text.
Impacted products
Vendor Product Version
nextcloud security-advisories Version: >= 25.0.0, < 25.0.13
Version: >= 26.0.0, < 26.0.8
Version: >= 27.0.0, < 27.1.3
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T21:23:39.478Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87"
          },
          {
            "name": "https://github.com/nextcloud/text/pull/4877",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/text/pull/4877"
          },
          {
            "name": "https://hackerone.com/reports/2211561",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/2211561"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 25.0.0, \u003c 25.0.13"
            },
            {
              "status": "affected",
              "version": "\u003e= 26.0.0, \u003c 26.0.8"
            },
            {
              "status": "affected",
              "version": "\u003e= 27.0.0, \u003c 27.1.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server, when a user is tricked into copy pasting HTML code without markup (Ctrl+Shift+V) the markup will actually render. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3 contain a fix for this issue. As a workaround, disable app text."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/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": "2023-11-21T21:53:00.327Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87"
        },
        {
          "name": "https://github.com/nextcloud/text/pull/4877",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nextcloud/text/pull/4877"
        },
        {
          "name": "https://hackerone.com/reports/2211561",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/2211561"
        }
      ],
      "source": {
        "advisory": "GHSA-p7g9-x25m-4h87",
        "discovery": "UNKNOWN"
      },
      "title": "Nextcloud Server vulnerable to Self XSS when pasting HTML into Text app with Ctrl+Shift+V"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-48302",
    "datePublished": "2023-11-21T21:53:00.327Z",
    "dateReserved": "2023-11-14T17:41:15.571Z",
    "dateUpdated": "2024-08-02T21:23:39.478Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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