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Fencer Vulns
high 7.5

CVE-2016-4803 json

CRLF injection vulnerability in the send email functionality in dotCMS before 3.3.2 allows remote attackers to inject arbitrary email heade…

published 2016-06-30 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5786

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

CRLF injection vulnerability in the send email functionality in dotCMS before 3.3.2 allows remote attackers to inject arbitrary email headers via CRLF sequences in the subject.

Exploit prediction

2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • security.elarlang.eu https://security.elarlang.eu/cve-2016-4803-dotcms-email-header-injection-vulnerability-full-disclosure.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2016/May/69 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

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.