Improper input validation in Maykinmedia Open Forms
CVE-2025-64515
Open Forms allows users create and publish smart forms. Prior to versions 3.2.7 and 3.3.3, forms where the prefill data fields are dynamically set to readonly/disabled can be modified by malicious users deliberately trying to modify data they're not supposed to. For regular users, the form fields are marked as readonly and cannot be modified through the user interface. This issue has been patched in versions 3.2.7 and 3.3.3.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Maykinmedia Open_forms
- Open-formulieren Open-forms — versions >= 3.3.0, < 3.3.3, < 3.2.7
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-64515?
- CVE-2025-64515 is a medium-severity vulnerability in Maykinmedia Open Forms, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2025-11-18.
- How severe is CVE-2025-64515?
- Medium severity. CVSS v3 base score is 4.3 out of 10.