GHSA-6HH6-59J2-QRXW

Vulnerability from github – Published: 2024-05-22 18:25 – Updated: 2024-05-22 18:25
VLAI
Summary
Silverstripe History XSS Vulnerability
Details

A cross-site scripting vulnerability has been discovered in the CMS page history tab.

This vulnerability can only be exploited if a user with CMS access has posted malicious or unescaped HTML into any of the text fields on a page, and if the "compare mode" option is selected. The HTML will be embedded into the page unescaped.

This has been resolved by performing the text comparison in a HTML friendly way.

Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.1.9"
      },
      "package": {
        "ecosystem": "Packagist",
        "name": "silverstripe/cms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.1.0"
            },
            {
              "fixed": "3.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-05-22T18:25:16Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "A cross-site scripting vulnerability has been discovered in the CMS page history tab.\n\nThis vulnerability can only be exploited if a user with CMS access has posted malicious or unescaped HTML into any of the text fields on a page, and if the \"compare mode\" option is selected. The HTML will be embedded into the page unescaped.\n\nThis has been resolved by performing the text comparison in a HTML friendly way.",
  "id": "GHSA-6hh6-59j2-qrxw",
  "modified": "2024-05-22T18:25:16Z",
  "published": "2024-05-22T18:25:16Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/cms/SS-2015-003-1.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/silverstripe/silverstripe-cms"
    },
    {
      "type": "WEB",
      "url": "https://www.silverstripe.org/software/download/security-releases/ss-2015-003"
    }
  ],
  "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": "Silverstripe History XSS Vulnerability"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.