What’s Vulnerable › Vulnerabilities

CVE-2021-45979

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-04 · updated 2026-06-17
• Weakness: CWE-78

Description

Foxit PDF Reader and PDF Editor before 11.1 on macOS allow remote attackers to execute arbitrary code via app.launchURL in the JavaScript API.

Affected products

• Foxit PDF Reader: before 11.1 — fixed in 11.1
• Foxit Pdf Reader: before 11.1 — fixed in 11.1

How to fix

Upgrade to a fixed version: Foxit PDF Reader 11.1; Foxit Pdf Reader 11.1. Check the vendor advisory for mitigations.

References

• https://github.com/dlehgus1023
• https://github.com/dlehgus1023/CVE/tree/master/CVE-2021-45979
• https://www.foxit.com/support/security-bulletins.html
• https://github.com/dlehgus1023
• https://github.com/dlehgus1023/CVE/tree/master/CVE-2021-45979
• https://www.foxit.com/support/security-bulletins.html

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