Modern Events Calendar Lite < 5.22.1 - Admin+ Stored Cross-Site Scripting

2021-09-06 00:00

Shivam Rai

Strategic Overview

Status

Patched in 5.22.2

Affected PluginModern Events Calendar Lite

Affected Version<= 5.22.1

CVSS4.8Medium

CVECVE-2021-24687

View all Modern Events Calendar Lite vulnerabilities

Vulnerability Overview

The Modern Events Calendar Lite WordPress plugin before 5.22.2 does not escape some of its settings before outputting them in attributes, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Technical Analysis

REMEDIATION: Update to version 5.22.2, 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-2021-24687 https://www.wordfence.com/threat-intel/vulnerabilities/id/f9ae88f8-88c1-4bb0-af9f-330f9760de1f

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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