Information disclosure in JForum - CVE-2019-7550
Published: February 16, 2019 / Updated: March 7, 2021
Vulnerability identifier: #VU17727
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-7550
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: jforum.net
Affected software:
JForum
JForum
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists in the create user function due to the way the software handles messages based on username validity. A remote attacker can send mass register/check/username?username= requests to access sensitive information, such as valid usernames, to enumerate within the customer environment.
How to mitigate CVE-2019-7550
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.