CVE-2008-1999

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-04-28 · updated 2026-06-16

Description

Apple Safari 3.1.1 allows remote attackers to spoof the address bar by placing many "invisible" characters in the userinfo subcomponent of the authority component of the URL (aka the user field), as demonstrated by %E3%80%80 sequences.

Affected products

Apple Safari: 3.1.1

References

http://es.geocities.com/jplopezy/pruebasafari3.html
http://secunia.com/advisories/29900
http://securityreason.com/securityalert/3833
http://www.securityfocus.com/archive/1/491192/100/0/threaded
http://www.vupen.com/english/advisories/2008/1347
https://exchange.xforce.ibmcloud.com/vulnerabilities/41981
http://es.geocities.com/jplopezy/pruebasafari3.html
http://secunia.com/advisories/29900
http://securityreason.com/securityalert/3833
http://www.securityfocus.com/archive/1/491192/100/0/threaded
http://www.vupen.com/english/advisories/2008/1347
https://exchange.xforce.ibmcloud.com/vulnerabilities/41981

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