Simple Membership <= 4.3.5 - Reflected Cross-Site Scripting

2023-09-05 00:00

R3N0

Strategic Overview

Status

Patched in 4.3.6

Affected PluginSimple Membership

Affected Version<= 4.3.5

CVSS7.2High

CVECVE-2023-4719

View all Simple Membership vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 4.3.6, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2023-4719 https://www.wordfence.com/threat-intel/vulnerabilities/id/e4b10172-7e54-4ff8-9fbb-41d160ce49e4

CVSS Vector

7.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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