Information disclosure in Guest Posting / Frontend Front Editor

CVE-2026-1867

The Guest posting / Frontend Posting / Front Editor WordPress plugin before 5.0.6 allows passing a URL parameter to regenerate a .json file based on demo data that it initially creates. If an administrator modifies the demo form and enables admin notifications in the Guest posting / Frontend Posting / Front Editor WordPress plugin before 5.0.6's settings, it is possible for an unauthenticated attacker to export and download all of the form data/settings, including the administrator's email address.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.5% 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-2026-1867: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Guest Posting / Frontend Front Editor — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1867?
CVE-2026-1867 is a medium-severity vulnerability in Guest Posting / Frontend Front Editor, classified under Information Disclosure. CVSS score: 5.9/10. Published 2026-03-11.
How severe is CVE-2026-1867?
Medium severity. CVSS v3 base score is 5.9 out of 10.