Cross-site scripting in MyBookTable Bookstore by Author Media - #VU19049

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Main Vulnerability Database Vulnerabilities #VU19049

Cross-site scripting in MyBookTable Bookstore by Author Media - #VU19049

Published: July 9, 2019


Vulnerability identifier: #VU19049
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Author Media
Affected software:
MyBookTable Bookstore by Author Media

Detailed vulnerability 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 passed via the "mbt_video_tutorial" parameter to "/wp-admin/admin.php". A remote attacker can trick the victim to follow a specially crafted link 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.

PoC: 

https://[host]/wp-admin/admin.php?page=mbt_help&mbt_video_tutorial=<svg/onload=alert(/XSS/)>


Remediation

Install updates from vendor's website.

Sources