WP Event Manager <= 3.1.22 - Admin+ Stored Cross-Site Scripting

2022-02-14 00:00

Huy Nguyen

Strategic Overview

Status

Patched in 3.1.23

Affected PluginWP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce

Affected Version<= 3.1.22

CVSS4.8Medium

CVECVE-2021-24810

View all WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce vulnerabilities

Vulnerability Overview

The WP Event Manager WordPress plugin before 3.1.23 does not escape some of its Field Editor settings when outputting them, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Technical Analysis

REMEDIATION: Update to version 3.1.23, 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-2021-24810 https://www.wordfence.com/threat-intel/vulnerabilities/id/6c31f7d3-1f2f-4ec5-802b-ec0b22087d43

CVSS Vector

4.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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