Is CVE-2007-6640 being actively exploited?

CVE-2007-6640 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-6640?

CVE-2007-6640 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2007-6640

MEDIUM · CVSS 6.4EPSS 1.2%EU EUVD

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.

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-264
EPSS score: 1.2% (68th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-6605)
Published: January 4, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-6605 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

sourceforge / creammonkey
sourceforge / creammonkey
sourceforge / creammonkey
sourceforge / greasekit
sourceforge / greasekit

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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