CVE-2026-3309: CWE-94 Improper Control of Generation of Code ('Code Injection') in properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 4.16.11. This is due to the plugin allowing user-supplied billing field values from the checkout process to be interpolated into shortcode template strings that are subsequently processed without proper sanitization of shortcode syntax. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes by submitting crafted billing field values during the checkout process.
AI Analysis
Technical Summary
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress WordPress plugin versions up to 4.16.11 suffer from improper control of code generation (CWE-94). Specifically, user-supplied billing field values from the checkout process are directly interpolated into shortcode template strings that are processed without adequate sanitization of shortcode syntax. This flaw enables unauthenticated attackers to inject and execute arbitrary shortcodes, potentially leading to unauthorized code execution within the WordPress environment. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity level. No official fix or patch has been published as of the vulnerability disclosure date.
Potential Impact
An unauthenticated attacker can exploit this vulnerability to execute arbitrary shortcodes by submitting crafted billing field values during checkout. This can lead to partial compromise of confidentiality and integrity within the affected WordPress site. There is no indication of impact to availability. No known exploits are reported 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 disabling or restricting the affected plugin functionality if possible. Monitor vendor channels for updates. No vendor-provided mitigation or temporary fix is currently available.
CVE-2026-3309: CWE-94 Improper Control of Generation of Code ('Code Injection') in properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
Description
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 4.16.11. This is due to the plugin allowing user-supplied billing field values from the checkout process to be interpolated into shortcode template strings that are subsequently processed without proper sanitization of shortcode syntax. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes by submitting crafted billing field values during the checkout process.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress WordPress plugin versions up to 4.16.11 suffer from improper control of code generation (CWE-94). Specifically, user-supplied billing field values from the checkout process are directly interpolated into shortcode template strings that are processed without adequate sanitization of shortcode syntax. This flaw enables unauthenticated attackers to inject and execute arbitrary shortcodes, potentially leading to unauthorized code execution within the WordPress environment. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity level. No official fix or patch has been published as of the vulnerability disclosure date.
Potential Impact
An unauthenticated attacker can exploit this vulnerability to execute arbitrary shortcodes by submitting crafted billing field values during checkout. This can lead to partial compromise of confidentiality and integrity within the affected WordPress site. There is no indication of impact to availability. No known exploits are reported 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 disabling or restricting the affected plugin functionality if possible. Monitor vendor channels for updates. No vendor-provided mitigation or temporary fix is currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-02-26T22:14:57.847Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d0f6560a160ebd92e6d962
Added to database: 4/4/2026, 11:30:30 AM
Last enriched: 4/11/2026, 2:13:38 PM
Last updated: 5/20/2026, 5:23:15 PM
Views: 81
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