Auth bypass in Hipaa Forms

CVE-2026-2688

The HIPAA FORMS WordPress plugin before 3.2.0 contains a hardcoded authentication bypass via a hardcoded parameter alongside all AJAX requests. The server explicitly checks for this value to skip nonce validation entirely. This allows unauthenticated attackers to access protected AJAX endpoints.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-2688: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001

Affected products

  • Hipaa Forms

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2688?
CVE-2026-2688 is a medium-severity vulnerability in Hipaa Forms, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-09-02.
How severe is CVE-2026-2688?
Medium severity. CVSS v3 base score is 6.5 out of 10.