Events Made Easy <= 2.2.23 - Admin+ Stored Cross-Site Scripting

2021-10-04 00:00

Huy Nguyen

Strategic Overview

Status

Patched in 2.2.24

Affected PluginEvents Made Easy

Affected Version< 2.2.24

CVSS5.5Medium

CVECVE-2021-24813

View all Events Made Easy vulnerabilities

Vulnerability Overview

The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Technical Analysis

REMEDIATION: Update to version 2.2.24, 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-2021-24813 https://www.wordfence.com/threat-intel/vulnerabilities/id/9a4488c8-7138-4046-88ea-84f9462eec93

CVSS Vector

5.5

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

Base

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

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