CVE-2023-3996

MEDIUM 4.4

ARMember Lite - Membership Plugin <= 4.0.16 - Authenticated (Administrator+) Stored Cross-Site Scripting

CVSS Score

4.4

EPSS Score

0.0%

EPSS Percentile

0th

The ARMember Lite - Membership Plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 4.0.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

CWE	CWE-79
Vendor	reputeinfosystems
Product	armember – membership plugin, content restriction, member levels, user profile & user signup
Published	Oct 20, 2023
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

reputeinfosystems / ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup

0 ≤ 4.0.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/c1022ac4-869e-415a-a7c8-3650421608ea?source=cve plugins.svn.wordpress.org: https://plugins.svn.wordpress.org/armember-membership/tags/4.0.2/readme.txt plugins.svn.wordpress.org: https://plugins.svn.wordpress.org/armember-membership/tags/4.0.2/readme.md armemberplugin.com: https://www.armemberplugin.com plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2905086%40armember-membership%2Ftrunk&old=2885708%40armember-membership%2Ftrunk&sfp_email=&sfph_mail= plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2988063/armember-membership/trunk/core/classes/class.arm_global_settings.php plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2992936/armember-membership/trunk/core/classes/class.arm_global_settings.php

Credits

Marco Wotschka