CVE-2023-4719
Simple Membership <= 4.3.5 - Reflected Cross-Site Scripting
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `list_type` parameter in versions up to, and including, 4.3.5 due to insufficient input sanitization and output escaping. Using this vulnerability, unauthenticated attackers could inject arbitrary web scripts into pages that are being executed if they can successfully trick a user into taking an action, such as clicking a malicious link.
| CWE | CWE-79 |
| Vendor | wpinsider-1 |
| Product | simple membership |
| Published | Sep 6, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
wpinsider-1 / Simple Membership
0 ≤ 4.3.5
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/e4b10172-7e54-4ff8-9fbb-41d160ce49e4?source=cve wordpress.org: https://wordpress.org/plugins/simple-membership/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2962730%40simple-membership&new=2962730%40simple-membership&sfp_email=&sfph_mail=
Credits
Vladislav Pokrovsky