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CVE-2025-55311

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-11 · updated 2026-10-14
• Weakness: CWE-347

Description

An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. A crafted PDF can use JavaScript to alter annotation content and subsequently clear the file's modification status via JavaScript interfaces. This circumvents digital signature verification by hiding document modifications, allowing an attacker to mislead users about the document's integrity and compromise the trustworthiness of signed PDFs.

Affected products

• Foxit PDF Reader: through 13.1.7.63027; from 2023.1.0.55583 through 2023.3.0.63083; from 2024.1.0.63682 through 2024.4.1.66479; through 13.1.7.23637; from 2023.1.0.15510 through 2023.3.0.23028; from 2024.1.0.23997 through 2024.4.1.27687
• Foxit Pdf Reader: through 2025.1.0.66692; through 2025.1.0.27937

References

• https://www.foxit.com/support/security-bulletins.html

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