Security readout for executives and security teams
Plain-English summary
CVE-2026-2365 affects Fluent Forms Pro for WordPress up to and including 6.1.17. An unauthenticated visitor may save malicious script in a partial form submission. That script can run later when an administrator views the partial entry, creating a practical path to admin-targeted browser compromise.
Executive priority
Treat as a near-term WordPress application risk. It does not show confirmed active exploitation in the supplied sources, but unauthenticated stored XSS against administrators can lead to account or site-management impact. Prioritize internet-facing WordPress sites using Fluent Forms Pro.
Technical view
The issue is stored cross-site scripting in the publicly reachable `fluentform_step_form_save_data` AJAX action. The source description cites missing authentication or nonce verification plus insufficient sanitization and output escaping of form field data. CVSS is 7.2 high: network accessible, low complexity, no privileges required, and scope changed.
Likely exposure
WordPress sites using Fluent Forms Pro versions up to and including 6.1.17 are the relevant exposure. Sites accepting multi-step or draft form submissions may be more likely to reach the vulnerable path. The provided affected-product metadata is inconsistent, so confirm installed plugin name and version locally.
Exploitation context
No KEV listing is provided, and the supplied sources do not state active exploitation. Exploitation would require getting an administrator to view a malicious partial form entry, but the initial submission is described as unauthenticated and publicly accessible.
Researcher notes
The public description centers on `fluentform_step_form_save_data`, missing auth/nonce checks, and insufficient sanitization/output escaping. CVE metadata lists CWE-79 and CVSS 7.2. The bundle does not provide proof-of-concept details or a clearly named fixed version, so rely on vendor and Wordfence references for confirmation.
Mitigation direction
- Check Fluent Forms vendor guidance and changelog for the fixed version.
- Update Fluent Forms Pro if running 6.1.17 or earlier.
- Restrict or disable draft/partial form submission features if not needed.
- Review administrative form-entry workflows for unexpected script execution risk.
Validation and detection
- Inventory WordPress sites for Fluent Forms Pro installations.
- Record plugin versions and flag 6.1.17 or earlier.
- Confirm whether partial or draft form submissions are enabled.
- Review security logs for unusual unauthenticated AJAX activity to Fluent Forms endpoints.
- After updating, retest admin viewing of partial entries in a safe environment.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-2365 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N3.92.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5e911b0a-a236-4df3-b997-3631412a1b55?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/fluentform/tags/6.1.12/app/Modules/Form/FormDataParser.php#L57CVE reference
- https://fluentforms.com/docs/changelog/#3-toc-titleCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.