WP-Members Membership Plugin <= 3.4.8 - Missing Authorization to Sensitive Information Exposure

published 2024-01-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58946

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

The WP-Members Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.4.8 via the wpmem_field shortcode. This makes it possible for authenticated attackers, with contributor access and above, to extract sensitive data including user emails, password hashes, usernames, and more.

Patch / fix

links 1

plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3015224%40wp… patch

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-04)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

cbutlerjr WP-Members Membership Plugin

Classification

Weakness

CWE-284 Improper Access Control
CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

Sources

CVE List CVE-2023-6733
NVD CVE-2023-6733

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary