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

CVE-2023-3996Published · Updated

Action summary

Affected: ≤4.0.16Update to 4.0.17 or newer

All remediation steps
Watch plugin
Severity
Medium4.4
CVSS
4.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:H Attack complexity
High
PR:H Privileges required
High
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup armember-membership

  1. Affected≤ 4.0.16
  2. Patched in4.0.17

Update to 4.0.17 or newer.

You are affected if you run ≤ 4.0.16. Version 4.0.17 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 4.0.17, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Marco Wotschka.

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.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup

All 22
More vulnerabilities in ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
SeverityVulnerabilityCVEPublished
High7.5Unauthenticated SQL Injection via 'orderby' Parameter
≤5.5Update to 5.6
CVE-2026-7649
Medium6.3Authenticated (Subscriber+) Arbitrary Shortcode Execution
≤4.0.51Update to 4.0.52
CVE-2024-10681
Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via SVG File Upload
≤4.0.37Update to 4.0.38
CVE-2024-7703
Medium6.1Open Redirect
≤4.0.30Update to 4.0.31
CVE-2024-4133
Medium5.3Missing Authorization
≤4.0.28Update to 4.0.29
CVE-2024-32948

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.4

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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