CVE-2009-4127

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-12-02 · updated 2026-06-16
Weakness: CWE-94

Description

Unspecified vulnerability in Wikipedia Toolbar extension before 0.5.9.2 for Firefox allows user-assisted remote attackers to execute arbitrary JavaScript with Chrome privileges via vectors involving unspecified Toolbar buttons and the eval function. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Affected products

Wikipedia Toolbar: through 0.5.9.1; 0.2, 0.4, 0.4.1, 0.4.2, 0.4.4, 0.4.5 (+19)

References

http://secunia.com/advisories/37377
http://www.securityfocus.com/bid/37038
http://www.vupen.com/english/advisories/2009/3268
https://addons.mozilla.org/en-US/firefox/addons/versions/6401#version-0.5.9.2
http://secunia.com/advisories/37377
http://www.securityfocus.com/bid/37038
http://www.vupen.com/english/advisories/2009/3268
https://addons.mozilla.org/en-US/firefox/addons/versions/6401#version-0.5.9.2

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