CVE-2018-1000883
Header Injection
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-1000883- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-1000883- Updated
- 2026-11-02
EUVDEUVD-2022-1690 No score
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.
- Record
EUVD-2022-1690- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9h73-w7ch-rh73
Header Injection
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.
- Record
GHSA-9h73-w7ch-rh73- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2018-1000883- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-9h73-w7ch-rh73
Header Injection
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.
- Record
GHSA-9h73-w7ch-rh73- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
plugHex |
before 1.0.6 | 1.0.6 |
plugHex |
1.1.0 up to 1.1.9 | 1.1.9 |
plugHex |
1.2.0 up to 1.2.5 | 1.2.5 |
plugHex |
1.3.0 up to 1.3.5 | 1.3.5 |
plugHex |
before 1.0.6, plus listed versions 0.10.00.11.00.11.10.11.20.11.3 Show 28 moreShow less0.12.00.12.10.12.20.13.00.13.10.14.00.4.10.4.20.4.30.4.40.5.00.5.10.5.20.5.30.6.00.7.00.8.00.8.10.8.20.8.30.8.40.9.01.0.01.0.11.0.21.0.31.0.41.0.5 |
1.0.6 |
plugHex |
1.1.0 up to 1.1.9, plus listed versions 1.1.11.1.21.1.31.1.41.1.51.1.61.1.71.1.8 |
1.1.9 |
plugHex |
1.2.0 up to 1.2.5, plus listed versions 1.2.11.2.21.2.31.2.4 |
1.2.5 |
plugHex |
1.3.0 up to 1.3.5, plus listed versions 1.3.11.3.21.3.31.3.4 |
1.3.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-1000883 is a medium vulnerability (CVSS 6.5) in Plug Project Plug, published December 20, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. Fixed in plug 1.0.6.