CVE-2026-2231 (GCVE-0-2026-2231)

Vulnerability from cvelistv5 – Published: 2026-03-26 13:26 – Updated: 2026-03-26 16:09
VLAI?
Title
Fluent Booking <= 2.0.01 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters
Summary
The Fluent Booking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in all versions up to, and including, 2.0.01 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
techjewel Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution Affected: * , ≤ 2.0.01 (semver)
Create a notification for this product.
Credits
Supakiad S.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2231",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-26T16:09:12.206282Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-26T16:09:24.744Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Fluent Booking \u2013 The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution",
          "vendor": "techjewel",
          "versions": [
            {
              "lessThanOrEqual": "2.0.01",
              "status": "affected",
              "version": "*",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Supakiad S."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Fluent Booking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in all versions up to, and including, 2.0.01 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/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": "2026-03-26T13:26:06.173Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/37441cc0-c43c-40e4-a170-1be59e112272?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L115"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L448"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Hooks/Handlers/FrontEndHandler.php#L864"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L110"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L440"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3463540/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-08T20:45:41.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-03-25T00:00:00.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Fluent Booking \u003c= 2.0.01 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-2231",
    "datePublished": "2026-03-26T13:26:06.173Z",
    "dateReserved": "2026-02-08T20:23:42.165Z",
    "dateUpdated": "2026-03-26T16:09:24.744Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-2231\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-03-26T14:16:09.670\",\"lastModified\":\"2026-03-30T13:26:50.827\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Fluent Booking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in all versions up to, and including, 2.0.01 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.\"},{\"lang\":\"es\",\"value\":\"El plugin Fluent Booking para WordPress es vulnerable a cross-site scripting almacenado a trav\u00e9s de m\u00faltiples par\u00e1metros en todas las versiones hasta la 2.0.01, inclusive, debido a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes. Esto posibilita que atacantes no autenticados inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":2.7}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Hooks/Handlers/FrontEndHandler.php#L864\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L440\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L448\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L110\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L115\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/changeset/3463540/\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/37441cc0-c43c-40e4-a170-1be59e112272?source=cve\",\"source\":\"security@wordfence.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-2231\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-26T16:09:12.206282Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-26T16:09:19.631Z\"}}], \"cna\": {\"title\": \"Fluent Booking \u003c= 2.0.01 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Supakiad S.\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.2, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N\"}}], \"affected\": [{\"vendor\": \"techjewel\", \"product\": \"Fluent Booking \\u2013 The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"2.0.01\"}], \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-02-08T20:45:41.000Z\", \"value\": \"Vendor Notified\"}, {\"lang\": \"en\", \"time\": \"2026-03-25T00:00:00.000Z\", \"value\": \"Disclosed\"}], \"references\": [{\"url\": \"https://www.wordfence.com/threat-intel/vulnerabilities/id/37441cc0-c43c-40e4-a170-1be59e112272?source=cve\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L115\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L448\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Hooks/Handlers/FrontEndHandler.php#L864\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Services/LocationService.php#L110\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/fluent-booking/trunk/app/Models/Booking.php#L440\"}, {\"url\": \"https://plugins.trac.wordpress.org/changeset/3463540/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The Fluent Booking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in all versions up to, and including, 2.0.01 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"b15e7b5b-3da4-40ae-a43c-f7aa60e62599\", \"shortName\": \"Wordfence\", \"dateUpdated\": \"2026-03-26T13:26:06.173Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-2231\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-26T16:09:24.744Z\", \"dateReserved\": \"2026-02-08T20:23:42.165Z\", \"assignerOrgId\": \"b15e7b5b-3da4-40ae-a43c-f7aa60e62599\", \"datePublished\": \"2026-03-26T13:26:06.173Z\", \"assignerShortName\": \"Wordfence\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.