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1 vulnerability by flatboy

CVE-2026-0690 (GCVE-0-2026-0690)

Vulnerability from cvelistv5 – Published: 2026-01-20 14:26 – Updated: 2026-01-20 14:52
VLAI?
Title
FlatPM – Ad Manager, AdSense and Custom Code <= 3.2.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Post Meta
Summary
The FlatPM – Ad Manager, AdSense and Custom Code plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'rank_math_description' custom field in all versions up to, and including, 3.2.2 due to insufficient input sanitization and output escaping. 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.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
Impacted products
Credits
Muhammad Yudha - DJ
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-0690",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-20T14:51:58.667529Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-20T14:52:49.486Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "FlatPM \u2013 Ad Manager, AdSense and Custom Code",
          "vendor": "flatboy",
          "versions": [
            {
              "lessThanOrEqual": "3.2.2",
              "status": "affected",
              "version": "*",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Muhammad Yudha - DJ"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The FlatPM \u2013 Ad Manager, AdSense and Custom Code plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u0027rank_math_description\u0027 custom field in all versions up to, and including, 3.2.2 due to insufficient input sanitization and output escaping. 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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
            "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": "2026-01-20T14:26:32.223Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/14b89618-8a30-4b8c-9490-f05e8fa8ca8a?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3434760/flatpm-wp"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-12-30T00:00:00.000+00:00",
          "value": "Discovered"
        },
        {
          "lang": "en",
          "time": "2026-01-20T01:56:29.000+00:00",
          "value": "Disclosed"
        }
      ],
      "title": "FlatPM \u2013 Ad Manager, AdSense and Custom Code \u003c= 3.2.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Post Meta"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-0690",
    "datePublished": "2026-01-20T14:26:32.223Z",
    "dateReserved": "2026-01-07T20:19:13.158Z",
    "dateUpdated": "2026-01-20T14:52:49.486Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}