Vulnerability · Published Sep 6, 2023 · Assigned by Wordfence

CVE-2023-4719Simple Membership <= 4.3.5 - Reflected Cross-Site Scripting

High 7.2

In plain English

A high-severity cross-site scripting in Simple Membership from wpinsider-1. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.6%top 52.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
wpinsider-1 Simple Membership 0 – through 4.3.5

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References