Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-3944

28
FAUCET Score

CVE-2018-3944 is an exploitable use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096 and PhantomPDF. This flaw allows an attacker to achieve arbitrary code execution by tricking a user into opening a specially crafted PDF document, or by visiting a malicious website if the browser plugin is enabled. Rated 8.8 HIGH on CVSS, it has a low attack complexity and requires user interaction, but can lead to complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV and lacking public exploit code in Metasploit or ExploitDB, it has received some community discussion and media coverage, indicating awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.2.0.9297CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
<= 9.2.0.9297CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:reader:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.0HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0258 is in the 82nd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

foxitsoftware.com / support/security-bulletins.php
PatchVendor Advisory
talosintelligence.com / vulnerability_reports/TALOS-2018-0611
Third Party Advisory
securitytracker.com / id/1041769
Third Party AdvisoryVDB Entry