Vulnerability identifier: #VU25675
Vulnerability risk: Medium
CVSSv3.1: 6.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Modern Events Calendar Lite
Web applications /
Modules and components for CMS
Vendor: Webnus Team
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 several AJAX actions. A remote authenticated attacker can inject 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.
Note: the vulnerability is being actively exploited in the wild.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Modern Events Calendar Lite: 3.1.1 - 5.1.6
External links
http://wpvulndb.com/vulnerabilities/10100/
http://www.wordfence.com/blog/2020/02/site-takeover-campaign-exploits-multiple-zero-day-vulnerabili...
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.