When was CVE-2011-3426 disclosed?

CVE-2011-3426 was first published in the National Vulnerability Database on October 14, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-3426 actively exploited?

CVE-2011-3426 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-3426?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-3426, 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.

CVE-2011-3426

NONENVD 0.0

0.0

Cross-site scripting (XSS) vulnerability in Safari in Apple iOS before 5 allows remote web servers to inject arbitrary web script or HTML via a file accompanied by a "Content-Disposition: attachment" HTTP header.

CVSS v3: —
EG Score: —
EPSS: 74.9%
KEV: Not listed

References (18)

product-security@applehttp://jvn.jp/en/jp/JVN41657660/index.html
product-security@applehttp://jvndb.jvn.jp/jvndb/JVNDB-2011-000088
product-security@applehttp://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
product-security@applehttp://lists.apple.com/archives/security-announce/2012/Jul/msg00000.html
product-security@applehttp://osvdb.org/76334
product-security@applehttp://seclists.org/fulldisclosure/2014/Jul/158
product-security@applehttp://support.apple.com/kb/HT4999
product-security@applehttp://support.apple.com/kb/HT5400
product-security@applehttps://exchange.xforce.ibmcloud.com/vulnerabilities/70558
af854a3a-2127-422b-91ae-364da2661108http://jvn.jp/en/jp/JVN41657660/index.html
af854a3a-2127-422b-91ae-364da2661108http://jvndb.jvn.jp/jvndb/JVNDB-2011-000088
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2012/Jul/msg00000.html
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/76334
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2014/Jul/158

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CVE-2011-3426

Published

Last Modified

References (18)

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-3426?

CVE-2011-3426

📅 Published

🔄 Last Modified

🔗 References (18)

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-3426?

Published

Last Modified

References (18)

Frequently asked(4)