How severe is CVE-2025-55311?

CVE-2025-55311 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-55311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55311?

CVE-2025-55311 primarily affects Foxit Pdf Editor. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-55311?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55311 have an EU (EUVD) identifier?

Yes. CVE-2025-55311 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202702.

When was CVE-2025-55311 published?

CVE-2025-55311 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-55311

CVE-2025-55311 is a medium-severity vulnerability in Foxit Pdf Editor with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202702
Weakness: CWE-347
Affected product: Foxit Pdf Editor
Published: 2025-12-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-55311?: 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.
How severe is CVE-2025-55311?: CVE-2025-55311 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-55311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55311?: CVE-2025-55311 primarily affects Foxit Pdf Editor. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-55311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55311 have an EU (EUVD) identifier?: Yes. CVE-2025-55311 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202702.
When was CVE-2025-55311 published?: CVE-2025-55311 was published on 2025-12-11 and last updated on 2026-06-17.

References

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

Affected products (4)

cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_editor:2025.1.0.66692:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_editor:2025.1.0.27937:*:*:*:*:*:*:*

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