4.3

CVE-2026-15398: wordpress wp-event-solution Missing Authorization

CVSS: 4.3v3.1MediumRejected
Published 09-09-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-15398 is a medium (CVSS 4.3) Missing Authorization vulnerability in wordpress wp-event-solution. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities. Fixed in 4.1.23.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-09-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-82223 Reason: This candidate is a reservation duplicate of CVE-2026-82223. Notes: All CVE users should reference CVE-2026-82223 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 16-09-2026

16-09-202616-10-2026
EPSS score
0.29%

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-event-solution≤ 4.1.22 (fixed in 4.1.23)

1 vendor · 1 product

References

15 links
Show all 15 references