CVE-2007-6640

Creammonkey 0.9 through 1.1 and GreaseKit 1.2 through 1.3 does not properly prevent access to dangerous functions, which allows remote attackers to read the configuration, modify the configuration, or send an HTTP request via the (1) GM_addStyle, (2) GM_log, (3) GM_openInTab, (4) GM_setValue, (5) GM_getValue, or (6) GM_xmlhttpRequest function within a web page on which a userscript is configured.

Published: 2008-01-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-6640 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.19%). Review affected assets and schedule remediation.

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-2007-6640

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 0.29% 1.19% +0.90%
2 2025-03-17 0.46% 0.29% -0.18%
3 2024-11-07 — 0.46% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-6640

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2007-6640

Affected software / configurations for CVE-2007-6640

Vendor Product Version Raw CPE
sourceforge creammonkey 0.9 cpe:2.3:a:sourceforge:creammonkey:0.9:*:*:*:*:*:*:*
sourceforge creammonkey 1.0 cpe:2.3:a:sourceforge:creammonkey:1.0:*:*:*:*:*:*:*
sourceforge creammonkey 1.1 cpe:2.3:a:sourceforge:creammonkey:1.1:*:*:*:*:*:*:*
sourceforge greasekit 1.2 cpe:2.3:a:sourceforge:greasekit:1.2:*:*:*:*:*:*:*
sourceforge greasekit 1.3 cpe:2.3:a:sourceforge:greasekit:1.3:*:*:*:*:*:*:*

References for CVE-2007-6640

cvelogic Threat Intelligence