#VU10700 Cross-site scripting in Drupal - CVE-2017-6927
Published: February 22, 2018 / Updated: May 29, 2019
Vulnerability identifier: #VU10700
Vulnerability risk: Low
CVSSv4.0: 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:U/U:Clear
CVE-ID: CVE-2017-6927
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Drupal
Drupal
Software vendor:
Drupal
Drupal
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in <VENDOR>.checkPlain() JavaScript function due to insufficient sanitization of user-supplied data. 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.
Name of vulnerable function depends on the software that includes vulnerable library, for example: Drupal.checkPlain(), or Backdrop.checkPlain().
Remediation
Update to version 7.57 or 8.4.5.