CVE-2024-8541: discount rules XSS — Fix

Description

The Discount Rules for WooCommerce – Create Smart WooCommerce Coupons & Discounts, Bulk Discount, BOGO Coupons plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.6.5. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a site administrator into performing an action such as clicking on a link. Please note that this is only exploitable when the 'Leave a Review' notice is present, which occurs after 100 orders are made and disappears after a user dismisses the notice.

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:H/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
flycart	discount_rules_for_woocommerce	< 2.6.5

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3149013/

Other References

https://plugins.trac.wordpress.org/browser/woo-discount-rules/tags/2.6.5/v2/App/Views/Admin/review-notice.php https://www.wordfence.com/threat-intel/vulnerabilities/id/3529044f-c3d8-4370-8ba5-9df0fb71ab3c?source=cve

Frequently Asked Questions

What is CVE-2024-8541? +

The Discount Rules for WooCommerce – Create Smart WooCommerce Coupons & Discounts, Bulk Discount, BOGO Coupons plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.6.5. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a site administrator into performing an action such as clicking on a link. Please note that this is only exploitable when the 'Leave a Review' notice is present, which occurs after 100 orders are made and disappears after a user dismisses the notice. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-8541? +

CVE-2024-8541 has a CVSS v3.1 score of 4.7 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-2024-8541? +

CVE-2024-8541 affects products from flycart, specifically: discount_rules_for_woocommerce. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8541? +

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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CVE-2024-8541