SB2018022113 - Cross-site scripting in Backdrop CMS

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Main Vulnerability Database SB2018022113

SB2018022113 - Cross-site scripting in Backdrop CMS

Published: February 21, 2018 Updated: May 29, 2019

Security Bulletin ID SB2018022113
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Cross-site scripting (CVE-ID: CVE-2017-6927)

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

Install update from vendor's website.

References