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Fencer Intel
medium 6.5

CVE-2018-1000883 json

Header Injection

published 7y ago modified 4mo ago also GHSA-9h73-w7ch-rh73 , EUVD-2022-1690

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

Elixir Plug Plug version All contains a Header Injection vulnerability in Connection that can result in Given a cookie value, Headers can be added. This attack appear to be exploitable via Crafting a value to be sent as a cookie. This vulnerability appears to have been fixed in >= 1.3.5 or ~> 1.2.5 or ~> 1.1.9 or ~> 1.0.6.

Patch / fix

  • hex plug 1.0.6, 1.1.9, 1.2.5, 1.3.5
  • plug_project plug 1.3.5

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Exploit prediction

1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
hex plug
<1.0.6
>=1.1.0, <1.1.9
>=1.2.0, <1.2.5
>=1.3.0, <1.3.5
1.0.6
1.1.9
1.2.5
1.3.5

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel 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.