CVE-2022-36390 MEDIUM

CVE-2022-36390: WordPress Event Calendar – Calendar plugin <= 1.4.6 - Authenticated Reflected Cross-Site Scripting (XSS) vulnerability

Vendor Totalsoft
Product Event Calendar – Calendar (WordPress plugin)
Weakness CWE-79 · XSS
Published September 21, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

4.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Authenticated (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability in Totalsoft Event Calendar – Calendar plugin <= 1.4.6 at WordPress.

Explanation of Vulnerability in Simple Terms

02Summary

The Event Calendar plugin for WordPress versions up to 1.4.6 contains a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious JavaScript into calendar events. When other users view the affected event, the script executes in their browser, potentially allowing session hijacking or credential theft. The vulnerability requires user interaction to trigger.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that executes when other users view calendar events.

Potential impact on your site

04Site Impact

Authenticated users can compromise other users' sessions or steal credentials via stored XSS in calendar events.

Conditions required to exploit

05Prerequisites

Attacker must be a logged-in WordPress user with low privileges; victim must view the malicious event.

Key dates

06Disclosure timeline

September 21, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

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