CVE-2018-1000883 json
Header Injection
published 2018-12-20 7 y ago modified 2026-06-17 4 mo 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
Exploit prediction
1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
-
github.com
/elixir-plug/plug/commit/8857f8ab4acf9b9c22e80480dae2636692f5f573
web, patch, third-party-advisory
-
github.com
/dependabot/elixir-security-advisories/blob/master/packages/plug/2017-04-17.yml
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-1000883
advisory
-
github.com
/elixir-plug/plug
package
Sources
- CVE List CVE-2018-1000883
- GitHub Advisory GHSA-9h73-w7ch-rh73
- NVD CVE-2018-1000883
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