CVE-2009-4127

critical

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.

References

https://addons.mozilla.org/en-US/firefox/addons/versions/6401#version-0.5.9.2

http://www.vupen.com/english/advisories/2009/3268

http://www.securityfocus.com/bid/37038

http://secunia.com/advisories/37377

Details

Source: Mitre, NVD

Published: 2009-12-02

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.01256