What is the CVSS score of CVE-2025-64515?

CVE-2025-64515 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Open Forms are affected by CVE-2025-64515?

Organizations using Open Forms should be aware of moderate risk from CVE-2025-64515, a input validation vulnerability rated CVSS 4.3.. A patch is available.

How to fix or mitigate CVE-2025-64515?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Vendor patch is available.

Open Forms CVE-2025-64515

MEDIUM

Improper Input Validation (CWE-20)

2025-11-18 security-advisories@github.com

Information Disclosure Open Forms

4.3

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

Patch released

Mar 28, 2026 - 19:22 nvd

Patch available

CVE Published

Nov 18, 2025 - 23:15 nvd

MEDIUM 4.3

DescriptionGitHub Advisory

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.

AnalysisAI

Open Forms allows users create and publish smart forms. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-20. 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. Affected products include: Maykinmedia Open Forms.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.