CVE-2004-2260

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-12-31 · updated 2026-06-16
Weakness: CWE-601

Description

Opera Browser 7.23, and other versions before 7.50, updates the address bar as soon as the user clicks a link, which allows remote attackers to redirect to other sites via the onUnload attribute.

Affected products

Opera Browser: before 7.50 — fixed in 7.50

How to fix

Upgrade to a fixed version: Opera Browser 7.50. Check the vendor advisory for mitigations.

References

http://secunia.com/advisories/11532
http://secunia.com/secunia_research/2004-2/advisory/
http://www.osvdb.org/6108
http://www.securityfocus.com/bid/10337
https://exchange.xforce.ibmcloud.com/vulnerabilities/16131
http://secunia.com/advisories/11532
http://secunia.com/secunia_research/2004-2/advisory/
http://www.osvdb.org/6108
http://www.securityfocus.com/bid/10337
https://exchange.xforce.ibmcloud.com/vulnerabilities/16131

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