CVE-2024-10878: sugar calendar XSS — Fix

Description

The Sugar Calendar – Simple Event Management plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg & remove_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.3.0. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
wpbeginner	sugar_calendar	< 3.4.0

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3188760/sugar-calendar-lite/trunk/includes/common/Features/EventTicketing/includes/admin/orders-list-table.php

Other References

https://plugins.trac.wordpress.org/browser/sugar-calendar-lite/tags/3.3.0/includes/common/Features/EventTicketing/includes/admin/orders-list-table.php#L50 https://www.wordfence.com/threat-intel/vulnerabilities/id/b06cb3cf-e2da-4e18-9a09-c30cebddf5c2?source=cve

Frequently Asked Questions

What is CVE-2024-10878? +

The Sugar Calendar – Simple Event Management plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg & remove_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.3.0. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-10878? +

CVE-2024-10878 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-10878? +

CVE-2024-10878 affects products from wpbeginner, specifically: sugar_calendar. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-10878? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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