What’s Vulnerable › Vulnerabilities

CVE-2011-10030: Foxit PDF Reader < 4.3.1.0218 JavaScript File Write

• Severity: high (CVSS 8.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-20 · updated 2026-06-16
• Weakness: CWE-73

Description

Foxit PDF Reader <  4.3.1.0218 exposes a JavaScript API function, createDataObject(), that allows untrusted PDF content to write arbitrary files anywhere on disk. By embedding a malicious PDF that calls this API, an attacker can drop executables or scripts into privileged folders, leading to code execution the next time the system boots or the user logs in.

Affected products

• Foxit Software Foxit PDF Reader: before 4.3.1.0218 — fixed in 4.3.1.0218

How to fix

Upgrade to a fixed version: Foxit Software Foxit PDF Reader 4.3.1.0218. Check the vendor advisory for mitigations.

References

• http://scarybeastsecurity.blogspot.com/2011/03/dangerous-file-write-bug-in-foxit-pdf.html
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/foxit_reader_filewrite.rb
• https://www.exploit-db.com/exploits/16978
• https://www.foxit.com/pdf-reader/version-history.html
• https://www.vulncheck.com/advisories/foxit-pdf-reader-javascript-file-write
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/foxit_reader_filewrite.rb
• https://scarybeastsecurity.blogspot.com/2011/03/dangerous-file-write-bug-in-foxit-pdf.html
• https://www.exploit-db.com/exploits/16978

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