CVE-2025-69001 Overview
CVE-2025-69001 is a code injection vulnerability in the Shahjahan Jewel FluentForm plugin for WordPress. The flaw affects all versions up to and including 6.1.11 and allows arbitrary shortcode execution. An unauthenticated attacker can trigger shortcode execution over the network without user interaction. The vulnerability is classified under CWE-94 (Improper Control of Generation of Code).
Critical Impact
Unauthenticated attackers can execute arbitrary WordPress shortcodes through the FluentForm plugin, potentially exposing sensitive content rendered by privileged shortcodes on the site.
Affected Products
- Shahjahan Jewel FluentForm WordPress plugin
- FluentForm versions through 6.1.11
- WordPress installations with the vulnerable plugin enabled
Discovery Timeline
- 2026-01-22 - CVE-2025-69001 published to NVD
- 2026-04-15 - Last updated in NVD database
Technical Details for CVE-2025-69001
Vulnerability Analysis
The vulnerability stems from improper control over shortcode generation within FluentForm. The plugin processes user-supplied input and renders it through the WordPress shortcode engine without sufficient validation. This permits arbitrary shortcode execution by remote actors who do not require authentication.
WordPress shortcodes execute server-side PHP routines registered by core, themes, and other plugins. When a vulnerable component renders attacker-controlled shortcodes, the attacker effectively invokes any registered shortcode handler. The impact depends on which shortcodes exist on the target site, but commonly includes information disclosure of restricted content.
The issue maps to CWE-94: Improper Control of Generation of Code. The EPSS probability is 0.058% at the 18th percentile, indicating low observed exploitation activity at the time of publication.
Root Cause
FluentForm passes user-controlled values into a shortcode processing routine without enforcing an allowlist or sanitizing shortcode syntax. The plugin treats untrusted input as trusted markup, causing the WordPress shortcode parser to evaluate attacker-supplied tags.
Attack Vector
The attack vector is network-based and requires no authentication or user interaction. An attacker submits crafted input containing WordPress shortcode syntax to a FluentForm endpoint. The plugin renders the shortcode server-side, executing the corresponding handler. See the Patchstack Vulnerability Report for technical details.
Detection Methods for CVE-2025-69001
Indicators of Compromise
- Unexpected HTTP POST requests to FluentForm endpoints containing bracketed shortcode patterns such as [shortcode_name] in form fields
- WordPress debug or PHP error log entries referencing FluentForm rendering routines invoking unrelated shortcode handlers
- Form submission responses containing rendered content from privileged shortcodes (user lists, private posts, configuration values)
Detection Strategies
- Inspect web server access logs for requests to FluentForm AJAX or REST endpoints containing URL-encoded square brackets (%5B, %5D) within form payloads
- Audit WordPress site output for unexpected shortcode-rendered content appearing in form confirmation pages or email notifications
- Compare installed FluentForm version against 6.1.11 and earlier across all WordPress instances
Monitoring Recommendations
- Enable WordPress activity logging with attention to form submission payloads and shortcode rendering events
- Apply web application firewall rules that flag shortcode syntax inside FluentForm submission parameters
- Monitor for outbound data flows triggered immediately after form submissions, which may indicate shortcode-driven information disclosure
How to Mitigate CVE-2025-69001
Immediate Actions Required
- Update FluentForm to a version later than 6.1.11 once the vendor releases a patched build
- Inventory all WordPress sites for the FluentForm plugin and prioritize remediation on internet-facing installations
- Review form submission logs for evidence of shortcode injection attempts targeting the plugin
Patch Information
Refer to the Patchstack Vulnerability Report for the latest remediation guidance and vendor-supplied fixed version information. Apply the update through the WordPress plugin manager or via WP-CLI once available.
Workarounds
- Temporarily disable the FluentForm plugin on sites where an upgrade is not yet feasible
- Deploy WAF rules that strip or block square-bracket sequences resembling shortcodes within FluentForm submission parameters
- Restrict access to forms behind authentication where possible to reduce unauthenticated exposure
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
