CVE-2007-4021

Multiple cross-site scripting (XSS) vulnerabilities in login.php in Brain Book Software Secure 1.0.20070629 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) user and (2) pwd parameters.

Published: 2007-07-26 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4021 is rated Low Risk (38.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.03%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-4021

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.25% 1.03% +0.78%
2 2024-04-21 0.24% 0.25% +0.02%
3 2023-03-07 0.24%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4021

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2007-4021

Affected software / configurations for CVE-2007-4021

Vendor Product Version Raw CPE
brain_book_software software_secure <= 1.0.20070629 cpe:2.3:a:brain_book_software:software_secure:*:*:*:*:*:*:*:*

References for CVE-2007-4021

cvelogic Threat Intelligence