6.5

CVE-2026-105886: bdthemes ultimate post kit Missing Authorization

CVSS: 6.5v3.1MediumDeferred
Published 08-10-2026Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2026-105886 is a medium (CVSS 6.5) Missing Authorization vulnerability in bdthemes ultimate post kit. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities. Fixed in 4.5.6.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-10-2026
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in BdThemes Ultimate Post Kit ultimate-post-kit allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ultimate Post Kit: from n/a through 4.5.5.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

09-10-202620-10-2026
EPSS score
0.25%

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

Bdthemes1 product
Wordpress1 product
  • ultimate-post-kit≤ 4.5.5 (fixed in 4.5.6)

2 vendors · 2 products

References

2 links