Cross-site scripting in vBulletin



Published: 2023-09-21
Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2023-39777
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Vendor vBulletin

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU80953

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2023-39777

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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 the Admin Control Panel in the /login.php?do=login url parameter. 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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

vBulletin: 5.0 - 6.0.0

CPE2.3 External links

http://gist.github.com/GiongfNef/8fe658dce4c7fcf3a7b4e6387e50141c


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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