CVE-2007-6640

MEDIUM 6.4CVE-2007-6640 · Published 04/01/2008 · updated 16/06/2026

In short

CVE-2007-6640 is a MEDIUM (CVSS 6.4) vulnerability affecting creammonkey (sourceforge), greasekit (sourceforge).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 67.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
creammonkey sourceforge	`= 0.9= 1.0= 1.1`	No fix yet
greasekit sourceforge	`= 1.2= 1.3`	No fix yet

Description

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.

References

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