CVE-2005-0456

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-01-12 · updated 2026-06-16

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.

Affected products

Opera Browser: through 7.54

References

http://secunia.com/advisories/13818/
http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml
http://www.kb.cert.org/vuls/id/882926
http://www.novell.com/linux/security/advisories/2005_31_opera.html
http://www.opera.com/linux/changelogs/754u2/
https://exchange.xforce.ibmcloud.com/vulnerabilities/18867
http://secunia.com/advisories/13818/
http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml
http://www.kb.cert.org/vuls/id/882926
http://www.novell.com/linux/security/advisories/2005_31_opera.html
http://www.opera.com/linux/changelogs/754u2/
https://exchange.xforce.ibmcloud.com/vulnerabilities/18867

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