diff --git a/advisories/github-reviewed/2023/12/GHSA-6xmx-85x3-4cv2/GHSA-6xmx-85x3-4cv2.json b/advisories/github-reviewed/2023/12/GHSA-6xmx-85x3-4cv2/GHSA-6xmx-85x3-4cv2.json
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+++ b/advisories/github-reviewed/2023/12/GHSA-6xmx-85x3-4cv2/GHSA-6xmx-85x3-4cv2.json
@@ -0,0 +1,141 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-6xmx-85x3-4cv2",
+  "modified": "2023-12-13T13:30:53Z",
+  "published": "2023-12-13T13:30:53Z",
+  "aliases": [
+    "CVE-2023-49279"
+  ],
+  "summary": "Stored XSS via SVG File Upload",
+  "details": "#### Impact\nA user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media directly in a browser, the scripts can be executed.\n\n#### Workaround\nImplement the server side file validation\nhttps://docs.umbraco.com/umbraco-cms/reference/security/serverside-file-validation\n\nor \n\nServe all media from an different host (e.g cdn) that where umbraco is hosted",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "Umbraco.CMS"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "7.0.0"
+            },
+            {
+              "fixed": "7.15.11"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "Umbraco.CMS"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "8.0.0"
+            },
+            {
+              "fixed": "8.18.9"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "Umbraco.CMS"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "9.0.0"
+            },
+            {
+              "fixed": "10.7.0"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "Umbraco.CMS"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "11.0.0"
+            },
+            {
+              "fixed": "11.5.0"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "Umbraco.CMS"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "12.0.0"
+            },
+            {
+              "fixed": "12.2.0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-6xmx-85x3-4cv2"
+    },
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-49279"
+    },
+    {
+      "type": "WEB",
+      "url": "https://docs.umbraco.com/umbraco-cms/reference/security/serverside-file-validation"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/umbraco/Umbraco-CMS"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-79"
+    ],
+    "severity": "LOW",
+    "github_reviewed": true,
+    "github_reviewed_at": "2023-12-13T13:30:53Z",
+    "nvd_published_at": "2023-12-12T20:15:08Z"
+  }
+}
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