CVE-2023-39542 - CVE House
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Status published High CVE-2023-39542

A code execution vulnerability exists in the Javascript saveAs API...

Vulnerability Description

A code execution vulnerability exists in the Javascript saveAs API of Foxit Reader 12.1.3.15356. A specially crafted malformed file can create arbitrary files, which can lead to remote code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by Kamlapati Choubey of Cisco Talos.

References

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Affected Vendor

Affected Software

Foxit Reader
Vulnerable Versions:
12.1.3.15356

Timeline

Official Publish: November 27th, 2023
Last Modified: November 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-73

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1005 Data from Local System
Collection
T1105 Ingress Tool Transfer
Command and Control
T1574 Hijack Execution Flow
Privilege Escalation
T1565 Data Manipulation
Impact