QID 731095

QID 731095: vBulletin Cross-Site Scripting (XSS) Vulnerability (CVE-2023-39777)

vBulletin is commercial Web forum software written in PHP and back-ended by a MySQL database. It runs on most Linux and Unix variants, as well as Microsoft Windows.

A cross-site scripting (XSS) vulnerability in the Admin Control Panel of vBulletin 5.7.5 and 6.0.0 allows attackers to execute arbitrary web scripts or HTML via the /login.php?do=login url parameter.

Affected Versions:
Vbulletin all versions upto 6.0.0

QID Detection Logic:
This QID sends a crafted HTTP GET request to check if the target is vulnerable or not.

Successful exploitation of this vulnerability may allow attackers to execute arbitrary web scripts or HTML in the Admin Control Panel, potentially leading to unauthorized access, data manipulation, or further security compromises.

CVSS V3 rated as Medium - 5.4 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Customers are advised to upgrade to the latest versions vbulletin or later versions to remediate this vulnerability.

Vendor References

VBulletin - forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4485333-security-patch-released-for-vbulletin-6-0-0-and-5-7-5

CVEs related to QID 731095

CVE-2023-39777 |

Software Advisories

Advisory ID	Software	Component	Link
vBulletin			forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4485333-security-patch-released-for-vbulletin-6-0-0-and-5-7-5

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