Skip to content
Fencer Vulns
critical 9.8

CVE-2018-21244 json

An issue was discovered in Foxit PhantomPDF before 8.3.6.

published 2020-06-04 6 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13760

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

An issue was discovered in Foxit PhantomPDF before 8.3.6. It allows arbitrary application execution via an embedded executable file in a PDF portfolio, aka FG-VD-18-029.

Patch / fix

  • foxitsoftware phantompdf 8.3.6

Exploit prediction

1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.