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CVE-2018-1173

25
FAUCET Score

CVE-2018-1173 is a critical vulnerability affecting Foxit Reader and PhantomPDF, specifically version 9.0.0.29935 of Foxit Reader. This flaw, a use-after-free error (CWE-416) in the handling of the XFA borderColor attribute, allows remote attackers to execute arbitrary code. Exploitation requires user interaction, typically by opening a malicious file or visiting a malicious webpage. With a CVSS score of 8.8 (High), successful exploitation grants an attacker code execution under the context of the current process. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and the vulnerability shows no signs of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.0.1.1049CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:*
<= 9.0.1.1049CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.74%
Probability of exploitation in next 30 days
EPSS Percentile
84.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0274 is in the 83rd 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

No media coverage found for this CVE.

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
zerodayinitiative.com / advisories/ZDI-18-311
Third Party AdvisoryVDB Entry