misc.php in DeluxeBB 1.3 allows remote attackers to register accounts without a valid email address via a valemail action with the valmem set to a pre-assigned user ID, which is visible from a memberlist action.
https://exchange.xforce.ibmcloud.com/vulnerabilities/54979
Source: Mitre, NVD
Published: 2009-12-30
Updated: 2026-06-16
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00833