diff --git a/advisories/github-reviewed/2024/05/GHSA-gvpc-3pj6-4m9w/GHSA-gvpc-3pj6-4m9w.json b/advisories/github-reviewed/2024/05/GHSA-gvpc-3pj6-4m9w/GHSA-gvpc-3pj6-4m9w.json
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@@ -0,0 +1,130 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-gvpc-3pj6-4m9w",
+  "modified": "2024-05-21T14:47:25Z",
+  "published": "2024-05-21T14:47:24Z",
+  "aliases": [
+    "CVE-2024-35218"
+  ],
+  "summary": "Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane",
+  "details": "### Impact\nStored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application.\n\n### Affected versions\nUmbraco CMS >= 8.00\n\n### Patches\nThis is fixed in 8.18.13, 10.8.4, 12.3.7, 13.1.1 by implementing IHtmlSanitizer\n\n\n\n\n",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "UmbracoCms.Core"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "8.0.0"
+            },
+            {
+              "fixed": "8.18.13"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "UmbracoCms.Core"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "10.0.0"
+            },
+            {
+              "fixed": "10.8.4"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "UmbracoCms.Core"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "12.0.0"
+            },
+            {
+              "fixed": "12.3.7"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "NuGet",
+        "name": "UmbracoCms.Core"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "13.0.0"
+            },
+            {
+              "fixed": "13.1.1"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-gvpc-3pj6-4m9w"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/umbraco/Umbraco-CMS/commit/1b712fe6ec52aa4e71b3acf63e393c8e6ab85385"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/umbraco/Umbraco-CMS/commit/a2684069b1e9976444f60b4b37a80be05b87f6b6"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/umbraco/Umbraco-CMS/commit/cbf9f9bcd199d7ca0412be3071d275556f10b7ba"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/umbraco/Umbraco-CMS/commit/d090176272d07500dac0daee7c598aa8bb321050"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/umbraco/Umbraco-CMS"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-79"
+    ],
+    "severity": "MODERATE",
+    "github_reviewed": true,
+    "github_reviewed_at": "2024-05-21T14:47:24Z",
+    "nvd_published_at": null
+  }
+}
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