Schema Scalpel <= 1.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Title in JSON-LD Schema

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2025-12118",
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "dateUpdated": "2025-11-01T04:27:41.429Z",
    "dateReserved": "2025-10-23T16:07:37.624Z",
    "datePublished": "2025-11-01T04:27:41.429Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence",
        "dateUpdated": "2025-11-01T04:27:41.429Z"
      },
      "title": "Schema Scalpel <= 1.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Title in JSON-LD Schema",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Schema Scalpel plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post title in all versions up to, and including, 1.6.1 due to insufficient input sanitization and output escaping when outputting user-supplied data into JSON-LD schema markup. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."
        }
      ],
      "affected": [
        {
          "vendor": "kevingillispie",
          "product": "Schema Scalpel",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "*",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "1.6.1"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
              "cweId": "CWE-79",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/9289e93c-22ac-4f3f-8a8a-591d9a598713?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/schema-scalpel/tags/1.6.1/public/class-schema-scalpel-public.php#L146"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/schema-scalpel/tags/1.6.1/public/class-schema-scalpel-public.php#L183"
        },
        {
          "url": "https://github.com/kevingillispie/Schema-Scalpel/commit/0a24430ed4f99a3998d032e755cd97a57d4fae29"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "timeline": [
        {
          "time": "2025-10-25T16:23:10.000+00:00",
          "lang": "en",
          "value": "Vendor Notified"
        },
        {
          "time": "2025-10-31T00:00:00.000+00:00",
          "lang": "en",
          "value": "Disclosed"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Peter Thaleikis",
          "type": "finder"
        }
      ]
    }
  }
}