CVE-2015-3300

TheCartPress eCommerce Shopping Cart <= 1.5.3.6 - Multiple Cross-Site Scripting

2015-04-29 00:00

Strategic Overview

Status: Unpatched
Affected Plugin: TheCartPress eCommerce Shopping Cart
Affected Version: <= 1.5.3.6
CVSS: 6.1Medium
Weakness type: CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE: CVE-2015-3300

View all TheCartPress eCommerce Shopping Cart vulnerabilities

At a glance

CVE-2015-3300 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the TheCartPress eCommerce Shopping Cart WordPress plugin, affecting versions <= 1.5.3.6. It carries a CVSS score of 6.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed April 2015, reported by High-Tech Bridge Security Research Lab.

Vulnerability Overview

Multiple cross-site scripting (XSS) vulnerabilities in the TheCartPress eCommerce Shopping Cart (aka The Professional WordPress eCommerce Plugin) plugin for WordPress before 1.3.9.3 allow remote attackers to inject arbitrary web script or HTML via the (1) billing_firstname, (2) billing_lastname, (3) billing_company, (4) billing_tax_id_number, (5) billing_city, (6) billing_street, (7) billing_street_2, (8) billing_postcode, (9) billing_telephone_1, (10) billing_telephone_2, (11) billing_fax, (12) shipping_firstname, (13) shipping_lastname, (14) shipping_company, (15) shipping_tax_id_number, (16) shipping_city, (17) shipping_street, (18) shipping_street_2, (19) shipping_postcode, (20) shipping_telephone_1, (21) shipping_telephone_2, or (22) shipping_fax parameter to shopping-cart/checkout/; the (23) search_by parameter in the admin/AddressesList.php page to wp-admin/admin.php; the (24) address_id, (25) address_name, (26) firstname, (27) lastname, (28) street, (29) city, (30) postcode, or (31) email parameter in the admin/AddressEdit.php page to wp-admin/admin.php; the (32) post_id or (33) rel_type parameter in the admin/AssignedCategoriesList.php page to wp-admin/admin.php; or the (34) post_type parameter in the admin/CustomFieldsList.php page to wp-admin/admin.php.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site.

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Reaching this weakness in TheCartPress eCommerce Shopping Cart <= 1.5.3.6 takes a caller who can reach the endpoint. Cross-site scripting happens when input from a request is written into a page without being escaped for the context it lands in, so the browser parses attacker-supplied text as markup or script.

Injected script runs with the privileges of whoever views the affected page, which is how these flaws turn into administrator session theft, silent account creation or persistent backdoors in page content. No fixed build of this plugin is recorded for TheCartPress eCommerce Shopping Cart yet, so installs running <= 1.5.3.6 stay exposed until the vendor ships one.

Remediation

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

How does WordSec protect against this?

The attempt arrives as an ordinary request to TheCartPress eCommerce Shopping Cart: WordSec's web application firewall inspects request payloads before WordPress loads them. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2015-3300 https://www.wordfence.com/threat-intel/vulnerabilities/id/6b26dd2e-3d0b-4c6b-8819-6d1e437207fd https://nvd.nist.gov/vuln/detail/CVE-2015-3300

Related records

Same weakness class

6.1CVE-2011-5207: TheCartPress eCommerce Shopping Cart <= 1.1.5 XSSCVE-2011-5207

Other vulnerabilities in TheCartPress eCommerce Shopping Cart

CVSS Vector

6.1

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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