Security restrictions bypass in woocommercereport WooCommerce PayPal Checkout Payment Gateway for WordPress

1) Security restrictions bypass

EUVDB-ID: #VU19046

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-7441

CWE-ID: CWE-471 - Modification of Assumed-Immutable Data

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to application does not perform validation of the attacker-controlled data, assuming that data is valid and safe. A remote attacker can tamper with parameters, passed to the application, and change its flow, e.g. purchase and item for lower price.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WooCommerce PayPal Checkout Payment Gateway: 1.6.8

CPE2.3

• cpe:2.3:a:woocommercereport:woocommerce-gateway-paypal-express-checkout:1.6.8:*:*:*:*:wordpress:*:*

External links

https://packetstormsecurity.com/files/152362/WordPress-PayPal-Checkout-Payment-Gateway-1.6.8-Parameter-Tampering.html
https://gkaim.com/cve-2019-7441-vikas-chaudhary/
https://www.exploit-db.com/exploits/46632/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.