5.9

CVE-2026-1867: unknown guest posting / frontend posting / front editor

CVSS: 5.9v3.1MediumDeferred
Published 11-03-2026Last modified 11-03-2026
Open JSON

Vulnerability summary

CVE-2026-1867 is a medium (CVSS 5.9) vulnerability in unknown guest posting / frontend posting / front editor. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 5.0.6.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 11-03-2026
    PublishedVulnerability first disclosed.
  2. 11-03-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Wordpress1 product
  • front-editor< 5.0.6

2 vendors · 2 products

References

2 links