Vulnerability identifier: #VU46767
Vulnerability risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Drupal
Web applications /
CMS
Vendor: Drupal
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 AJAX API, related to JSONP processing. 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Drupal: 9.0.0 - 9.0.5, 8.9.0 - 8.9.5, 8.8.0 - 8.8.9, 8.7.0 - 8.7.14, 8.6.0 - 8.6.18, 8.5.0 - 8.5.15, 8.4.0 - 8.4.8, 8.3.0 - 8.3.9, 8.2.0 - 8.2.8, 8.1.0 - 8.1.10, 8.0 - 8.0.6, 7.0 - 7.x-dev
External links
http://www.drupal.org/sa-core-2020-007
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.