CVE-2024-38988 json
@alizeait/unflatto Prototype Pollution
published last yr. modified 4mo ago also GHSA-q8jq-4rm5-4hm5 , EUVD-2024-54325
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
alizeait unflatto <= 1.0.2 was discovered to contain a prototype pollution via the method exports.unflatto at /dist/index.js. This vulnerability allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.
Patch / fix
Is CVE-2024-38988 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- gist.github.com https://gist.github.com/mestrtee/4c5dfb66bea377889c44dd6c8af28713 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 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 | @alizeait/unflatto | <1.0.3 |
1.0.3 |
Classification
- Weakness
-
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
References
-
github.com
/alizeait/unflatto/commit/3c1b120f1dcd44eefe07d4a5022e1baa3c7164d3
web
-
gist.github.com
/mestrtee/4c5dfb66bea377889c44dd6c8af28713
exploit, web, third-party-advisory
-
github.com
/alizeait/unflatto/security/advisories/GHSA-q8jq-4rm5-4hm5
web
-
nvd.nist.gov
/vuln/detail/CVE-2024-38988
advisory
-
github.com
/alizeait/unflatto/issues/32
web
-
github.com
/alizeait/unflatto
package
Sources
- CVE List CVE-2024-38988
- GitHub Advisory GHSA-q8jq-4rm5-4hm5
- NVD CVE-2024-38988
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.