CVE-2022-25921 json
Arbitrary Code Execution
published 2022-08-29 4 y ago modified 2026-06-17 4 mo ago also GHSA-fwv4-6mxc-x5h3 , EUVD-2022-6553
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
All versions of package morgan-json are vulnerable to Arbitrary Code Execution due to missing sanitization of input passed to the Function constructor.
Exploit prediction
1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- security.snyk.io https://security.snyk.io/vuln/SNYK-JS-MORGANJSON-2976193 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | morgan-json | <=1.1.0 |
no fix listed |
Affected products
- n/a morgan-json
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
security.snyk.io
/vuln/SNYK-JS-MORGANJSON-2976193
web, exploit, third-party-advisory
-
github.com
/indexzero/morgan-json/blob/3a76010215a4256d41687d082cd66c4f00ea5717/index.js%23L46
web, broken-link
-
nvd.nist.gov
/vuln/detail/CVE-2022-25921
advisory
-
github.com
/indexzero/morgan-json
package
Sources
- CVE List CVE-2022-25921
- GitHub Advisory GHSA-fwv4-6mxc-x5h3
- NVD CVE-2022-25921
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.