How severe is CVE-2023-51560?

CVE-2023-51560 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-51560 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51560?

CVE-2023-51560 primarily affects Foxit Pdf Editor. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-51560?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-51560 have an EU (EUVD) identifier?

Yes. CVE-2023-51560 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56272.

When was CVE-2023-51560 published?

CVE-2023-51560 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-51560

CVE-2023-51560 is a high-severity vulnerability in Foxit Pdf Editor with a CVSS 3.x base score of 7.8. 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-843.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56272
Weakness: CWE-843
Affected product: Foxit Pdf Editor
Published: 2024-05-03
Last modified: 2026-06-17

Description

Foxit PDF Reader Annotation Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22259.

Frequently asked questions

What is CVE-2023-51560?: Foxit PDF Reader Annotation Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22259.
How severe is CVE-2023-51560?: CVE-2023-51560 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-51560 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51560?: CVE-2023-51560 primarily affects Foxit Pdf Editor. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-51560?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-51560 have an EU (EUVD) identifier?: Yes. CVE-2023-51560 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56272.
When was CVE-2023-51560 published?: CVE-2023-51560 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_editor:13.0.0.21632:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_editor:2023.1.0.15510:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_editor:2023.2.0.21408:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*

More vulnerabilities in Foxit Pdf Editor

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Other CWE-843 vulnerabilities

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CVE-2026-43038 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in…
CVE-2025-70023 — Critical (CVSS 9.8): An issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.

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