Stored cross-site scripting in Bitrix Site Manager - #VU6142

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Main Vulnerability Database Vulnerabilities #VU6142

Stored cross-site scripting in Bitrix Site Manager - #VU6142

Published: March 21, 2017


Vulnerability identifier: #VU6142
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Bitrix
Affected software:
Bitrix Site Manager

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 in "/bitrix/admin/adv_contract_edit.php" script. A remote attacker with access to "Advertising and banners" module can create a contract with specially crafted name and permanently store HTML and JavaScript code in database. The code will be executed in another user's browser in context of vulnerable website the the affected contract is viewed.

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

Update "Advertising and banners" module to the latest version 17.0.0.

Sources