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.
CVE-2008-1999
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 1%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 69.5%
- KEV
- Not listed
Published
April 28, 2008
Last Modified
April 23, 2026
References (12)
- cve@mitrehttp://es.geocities.com/jplopezy/pruebasafari3.html
- cve@mitrehttp://secunia.com/advisories/29900
- cve@mitrehttp://securityreason.com/securityalert/3833
- cve@mitrehttp://www.securityfocus.com/archive/1/491192/100/0/threaded
- cve@mitrehttp://www.vupen.com/english/advisories/2008/1347
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/41981
- af854a3a-2127-422b-91ae-364da2661108http://es.geocities.com/jplopezy/pruebasafari3.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/29900
- af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/3833
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/491192/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2008/1347
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/41981
Data Freshness Timeline
(refreshed 6× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2008-1999?
CVE-2008-1999 is a none vulnerability published on April 28, 2008. 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.
When was CVE-2008-1999 disclosed?
CVE-2008-1999 was first published in the National Vulnerability Database on April 28, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-1999 actively exploited?
CVE-2008-1999 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2008-1999?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-1999, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2008-1999
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