Multiple vulnerabilities in Compass Plus TranzWare e-Commerce Payment Gateway

1) Stored cross-site scripting

EUVDB-ID: #VU51642

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28126

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in index.jsp. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TranzWare e-Commerce Payment Gateway: 3.1.27

CPE2.3

• cpe:2.3:a:compass_plus:tranzware_e-commerce_payment_gateway:3.1.27:*:*:*:*:*:*:*

External links

https://gist.github.com/kukuxumushi/7436994ef395573023b79652e104a2a0

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.

2) XML External Entity injection

EUVDB-ID: #VU51643

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-28110

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied XML input in /exec. A remote attacker can pass a specially crafted XML code to the affected application and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TranzWare e-Commerce Payment Gateway: 3.1.27

CPE2.3

• cpe:2.3:a:compass_plus:tranzware_e-commerce_payment_gateway:3.1.27:*:*:*:*:*:*:*

External links

https://gist.github.com/kukuxumushi/0b7d90a917ac3480066c4cbf7519b40a

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.