4.3

CVE-2026-107423: wordpress wp-user-manager Missing Authorization

CVSS: 4.3v3.1MediumDeferred
Published 12-10-2026Last modified 12-10-2026
Open JSON

Vulnerability summary

CVE-2026-107423 is a medium (CVSS 4.3) Missing Authorization vulnerability in wordpress wp-user-manager. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.6% of scored vulnerabilities. Fixed in 2.9.23.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.18%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-10-2026
    PublishedVulnerability first disclosed.
  2. 12-10-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in WP User Manager WP User Manager wp-user-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP User Manager: from n/a through 2.9.22.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

12-10-202619-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Wordpress1 product
  • wp-user-manager≤ 2.9.22 (fixed in 2.9.23)
Wp user manager1 product

2 vendors · 2 products

References

2 links