Detections
Analytics

CVE-2005-0456

critical

Description

Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/18867

http://www.kb.cert.org/vuls/id/882926

http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml

https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-0457

http://www.opera.com/linux/changelogs/754u2/

http://www.novell.com/linux/security/advisories/2005_31_opera.html

http://secunia.com/advisories/13818/

Details

Source: Mitre, NVD

Published: 2005-01-12

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

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

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.03403