Pie Forms for WP <= 1.6 - Unauthenticated Arbitrary File Upload
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
The Pie Forms for WP plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.6 via the format_classic function. This is due to insufficient file type validation where the validate_classic method validates file extensions and sets error messages but does not prevent the file upload process from continuing. This makes it possible for unauthenticated attackers to upload files with dangerous extensions such as PHP, which makes remote code execution possible. In order to exploit this vulnerability, the attacker needs to guess the directory in which the file is placed (which is a somewhat predictable hash). In addition to that, the file name is generated using a secure hash method, limiting the exploitability of this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| genetechproducts | Pie Forms — Drag & Drop Form Builder | up to 1.6 | — | No fix listed | CNA |
- Pie Forms — Drag & Drop Form Builder Vendorgenetechproducts Affected up to 1.6 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12528
- 2026-10-03 Alias added: GHSA-8f9m-hfq9-wjxw
- 2026-10-12 EPSS moved to the 50th–90th percentile
References
Other 4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4941a0ce-67f1-430d-bbad-3c97a4ed449e?source=cve
- https://plugins.trac.wordpress.org/browser/pie-forms-for-wp/tags/1.6/includes/fields/fileupload.php#L331
- https://plugins.trac.wordpress.org/browser/pie-forms-for-wp/tags/1.6/includes/fields/fileupload.php#L475
- https://plugins.trac.wordpress.org/browser/pie-forms-for-wp/tags/1.6/includes/fields/fileupload.php#L18
More genetechproducts vulnerabilities
- TI-2024-05625 Pie Register - Basic <= 3.8.3.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Plugin Installation CVSS 3.1HIGH 8.8
- TI-2026-03080 Missing authorization in genetechproducts Pie Register – User Registration, Profiles &… CVSS 3.1MEDIUM 6.5
- TI-2026-86190 Unauthenticated stored cross-site scripting in Pie Register plugin CVSS 3.1HIGH 7.2
- TI-2026-19817 WordPress Pie Register plugin <= 3.8.4.8 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3
- TI-2025-38937 WordPress Web and WooCommerce Addons for WPBakery Builder plugin <= 1.5 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5
- TI-2024-10598 Cross-site scripting in genetechproducts Pie Forms — Drag & Drop Form Builder CVSS 3.1MEDIUM 6.1
Sources
- CVE-2025-12528 · CVE Program
- CVE-2025-12528 · NVD
- FIRST EPSS
- GHSA-8f9m-hfq9-wjxw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences