4.3

CVE-2026-84742: unknown the events calendar Incorrect Authorization

CVSS: 4.3v3.1MediumDeferred
Published 23-09-2026Last modified 23-09-2026
Open JSON

Vulnerability summary

CVE-2026-84742 is a medium (CVSS 4.3) Incorrect Authorization vulnerability in unknown the events calendar. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.8% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 6.17.5.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (wordfence)
EPSS score
0.23%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 23-09-2026
    PublishedVulnerability first disclosed.
  2. 23-09-2026
    Last modifiedVulnerability information updated.

Description

The Events Calendar WordPress plugin before 6.17.5 does not check the capability required to publish content before creating or updating it through its REST API, allowing users with a role that cannot normally publish, such as contributor, to publish content directly and bypass editorial review.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

23-09-202619-10-2026
EPSS score
0.23%

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
  • the-events-calendar≥ 6.15.0, ≤ 6.17.4.1 (fixed in 6.17.5)

2 vendors · 2 products

References

2 links