SB2018033014 - XSS in SnapCreek Duplicator plugin for WordPress

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2018-7543)

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in installer/build/view.step4.php of the SnapCreek Duplicator plugin 1.2.32 for WordPress when processing json parameter. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.

Remediation

Install update from vendor's website.

References

• https://snapcreek.com/duplicator/docs/changelog/?lite
• https://www.exploit-db.com/exploits/44288/