5.3

CVE-2026-74000: wordpress simple-membership Missing Authorization

CVSS: 5.3v3.1MediumDeferred
Published 17-09-2026Last modified 17-09-2026
Open JSON

Vulnerability summary

CVE-2026-74000 is a medium (CVSS 5.3) Missing Authorization vulnerability in wordpress simple-membership. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.6% of scored vulnerabilities. Fixed in 4.8.3.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-09-2026
    PublishedVulnerability first disclosed.
  2. 17-09-2026
    Last modifiedVulnerability information updated.

Description

Contributor Broken Access Control in Simple Membership <= 4.8.2 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

+0.08 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
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
  • simple-membership≤ 4.8.2 (fixed in 4.8.3)
Wp.insider1 product

2 vendors · 2 products

References

2 links