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PatchSiren cyber security CVE debrief

CVE-2026-101324 wpmanageninja CVE debrief

The Fluent Forms plugin for WordPress, versions up to and including 6.2.14, is vulnerable to Reflected Cross-Site Scripting. This vulnerability arises from insufficient input sanitization and output escaping when handling the '{get.*}' Editor SmartCode parameter. An attacker can exploit this by crafting a URL that, when clicked by an administrator with a Custom HTML field configured on a published form, allows for the injection of arbitrary web scripts. This could lead to unauthorized actions within the WordPress environment, potentially resulting in user data compromise or site defacement. Defenders should assess their exposure, particularly focusing on configurations that include

Vendor
wpmanageninja
Product
Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
CVSS
MEDIUM 4.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-10
Original CVE updated
2026-10-10
Advisory published
2026-10-10
Advisory updated
2026-10-10

Who should care

Defenders responsible for WordPress installations using the Fluent Forms plugin, particularly those with Custom HTML fields on published forms, should assess exposure and prioritize verification and remediation.

Why it matters

The Fluent Forms plugin for WordPress is vulnerable to Reflected Cross-Site Scripting, allowing unauthenticated attackers to inject arbitrary web scripts. Defenders should prioritize verification, remediation, and monitoring to prevent potential attacks.

  • Defenders must verify Fluent Forms installations and update to a patched version to prevent potential XSS attacks.
  • Defenders should review and sanitize user input for Custom HTML fields on published forms to prevent exploitation.
  • Defenders must monitor for potential XSS attacks on forms using the '{get.*}' SmartCode.

Technical summary

The Fluent Forms plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'any attacker-chosen name matching the {get.NAME} placeholder' parameter in all versions up to, and including, 6.2.14. This is due to insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Defensive priority

Defenders should prioritize verifying and updating Fluent Forms installations to prevent potential XSS attacks.

Recommended defensive actions

  • Verify Fluent Forms plugin version and update to a patched version if necessary
  • Review and sanitize user input for Custom HTML fields on published forms
  • Monitor for potential XSS attacks on forms using the '{get.*}' SmartCode
  • Conduct a thorough review of form configurations for potential exposure
  • Inventory all instances of Fluent Forms across managed environments
  • Implement compensating controls for exposed systems until remediation can be verified
  • Track remediation progress and retest exposed assets

Evidence notes

The CVE record and source item provide details on the vulnerability, including the affected versions and parameters. However, the corpus does not establish versions beyond 6.2.14, exploitation, impact, or remediation, which require verification from the supplied official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-101324 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-101324

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-101324 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-101324

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Fluent Forms <= 6.2.14 - Reflected Cross-Site Scripting via '{get.*}' Editor SmartCode Parameter

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/101xxx/CVE-2026-101324.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.14/app/Services/FormBuilder/EditorShortcodeParser.php

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.14/app/Services/FormBuilder/Components/CustomHtml.php

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.14/boot/globals.php

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.14/app/Modules/Component/Component.php

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://wordpress.org/plugins/fluentform/

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/changeset/3721107/fluentform/trunk/app/Modules/Component/Component.php

    Supplemental source

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.