CVE-2007-4544

Cross-site scripting (XSS) vulnerability in wp-newblog.php in WordPress multi-user (MU) 1.0 and earlier allows remote attackers to inject arbitrary web script or HTML via the weblog_id parameter (Username field).

Published: 2007-08-27 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4544 is rated Low Risk (29.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.15%). 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-2007-4544

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 2026-04-15 0.14% 0.15% +0.01%
2 2025-03-24 0.35% 0.14% -0.21%
3 2025-03-23 0.35%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4544

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-2007-4544

Affected software / configurations for CVE-2007-4544

Vendor Product Version Raw CPE
wordpress wordpress_mu <= 1.0 cpe:2.3:a:wordpress:wordpress_mu:*:*:*:*:*:*:*:*

References for CVE-2007-4544

cvelogic Threat Intelligence