CVE-2026-0633: CWE-287 Improper Authentication in roxnor MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor
The MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.1.0. This is due to the use of a forgeable cookie value derived only from the entry ID and current user ID without a server-side secret. This makes it possible for unauthenticated attackers to access form submission entry data via MetForm shortcodes for entries created within the transient TTL (default is 15 minutes).
AI Analysis
Technical Summary
The MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor WordPress plugin suffers from improper authentication (CWE-287) due to the use of a forgeable cookie value derived solely from entry ID and current user ID without incorporating a server-side secret. This flaw allows unauthenticated attackers to access form submission entries via MetForm shortcodes for entries created within the transient TTL (default 15 minutes). The vulnerability affects versions up to 4.1.0 and results in sensitive information exposure. The CVSS 3.1 base score is 3.7, reflecting low severity with network attack vector, high attack complexity, no privileges required, no user interaction, and limited confidentiality impact.
Potential Impact
An unauthenticated attacker can access sensitive form submission data for entries created within the last 15 minutes by exploiting the forgeable cookie mechanism. The impact is limited to confidentiality exposure of form data and does not affect integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting exposure of sensitive form data and monitor for updates from the plugin vendor. No official patch or workaround information is currently available.
CVE-2026-0633: CWE-287 Improper Authentication in roxnor MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor
Description
The MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.1.0. This is due to the use of a forgeable cookie value derived only from the entry ID and current user ID without a server-side secret. This makes it possible for unauthenticated attackers to access form submission entry data via MetForm shortcodes for entries created within the transient TTL (default is 15 minutes).
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor WordPress plugin suffers from improper authentication (CWE-287) due to the use of a forgeable cookie value derived solely from entry ID and current user ID without incorporating a server-side secret. This flaw allows unauthenticated attackers to access form submission entries via MetForm shortcodes for entries created within the transient TTL (default 15 minutes). The vulnerability affects versions up to 4.1.0 and results in sensitive information exposure. The CVSS 3.1 base score is 3.7, reflecting low severity with network attack vector, high attack complexity, no privileges required, no user interaction, and limited confidentiality impact.
Potential Impact
An unauthenticated attacker can access sensitive form submission data for entries created within the last 15 minutes by exploiting the forgeable cookie mechanism. The impact is limited to confidentiality exposure of form data and does not affect integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting exposure of sensitive form data and monitor for updates from the plugin vendor. No official patch or workaround information is currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-01-06T01:17:56.319Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6974846c4623b1157ca99ed5
Added to database: 1/24/2026, 8:35:56 AM
Last enriched: 4/9/2026, 11:08:48 AM
Last updated: 5/8/2026, 3:49:26 AM
Views: 144
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