SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2006-3994

SQL injection vulnerability in the u2u_send_recp function in u2u.inc.php in XMB (aka extreme message board) 1.9.6 Alpha and earlier allows remote attackers to execute arbitrary SQL commands via the u2uid parameter to u2u.php, which is directly accessed…

EXPLOIT ✓HIGH 7.5EPSS 3.81%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

SQL injection vulnerability in the u2u_send_recp function in u2u.inc.php in XMB (aka extreme message board) 1.9.6 Alpha and earlier allows remote attackers to execute arbitrary SQL commands via the u2uid parameter to u2u.php, which is directly accessed from $_POST and bypasses the protection scheme.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
3.81% probability · 90th percentile
Public exploits
1 in Exploit-DB · verified · first 1 August 2006
CISA KEV
Not listed
Affected
xmb software/xmb forum
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 3.81%26 October 202626 October 2026

EPSS 3.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-2105source ↗XMB 1.9.6 - 'mq=off' 'u2uid' SQL Injectionphp · rgodwebapps1 August 2006yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.