Information disclosure in Formlayer

CVE-2026-78151

The FormLayer WordPress plugin before 1.0.9 does not perform any authorization check before returning a form's full stored configuration in the response to its public submission handler, allowing unauthenticated users to disclose notification recipient addresses, confirmation redirect targets and integration settings, including those of unpublished forms.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% 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-2026-78151: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Formlayer

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-78151?
CVE-2026-78151 is a medium-severity vulnerability in Formlayer, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-02.
How severe is CVE-2026-78151?
Medium severity. CVSS v3 base score is 5.3 out of 10.