The utilities function in all versions <= 1.0.0 of the merge-objects node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function
Published Jul 3, 2018
9.8
CRITICALCVSS 3.0
EPSS 1.43%
Description
The utilities function in all versions <= 1.0.0 of the merge-objects node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
Affected products
No data.
- ≤ 1.0.0
No data.
No Red Hat product state for this CVE.
merge-object
npm
Introduced 0 Fixed not fixed
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | merge-object | 0 | not fixed |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.43% (0.01428) | 72.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.43% (0.01428) | 69.42th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.31% (0.00311) | 70.38th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00311) | 69.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00311) | 65.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (3)
- https://github.com/advisories/GHSA-fp82-2h99-3fpp Advisory
- https://hackerone.com/reports/310706 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-3753
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-fp82-2h99-3fpp | Advisory | |
| https://hackerone.com/reports/310706 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-3753 |
Change history (0)
No recorded changes yet.