Arbitrary Code Execution
Published Mar 17, 2022
9.8
CRITICALCVSS 3.1
EPSS 2.09%
Description
The package post-loader from 0.0.0 are vulnerable to Arbitrary Code Execution which uses a markdown parser in an unsafe way so that any javascript code inside the markdown input files gets evaluated and executed.
Affected products
- Vendor n/a Product Post-Loader Defaultn/a
- Version 0.0.0StatusaffectedConstraints<unspecified
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Post-Loader | n/a |
|
- ≤ 2.0.0
No data.
No Red Hat product state for this CVE.
post-loader
npm
Introduced 0.0.0 Fixed not fixed
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | post-loader | 0.0.0 | not fixed |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
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 4, 2026.
Score over time
2022-2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 2.09% (0.02089) | 80.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.96% (0.01957) | 77.61th | v5 (v2026.06.15) |
| Apr 13, 2025 | 1.14% (0.01140) | 76.60th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.14% (0.00138) | 31.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.38% (0.00382) | 73.88th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.52% (0.00520) | 76.12th | v3 (v2023.03.01) |
| Oct 8, 2023 | 0.52% (0.00520) | 74.08th | v3 (v2023.03.01) |
| Aug 28, 2023 | 0.51% (0.00513) | 73.68th | v3 (v2023.03.01) |
| Jun 22, 2023 | 0.49% (0.00486) | 72.61th | v3 (v2023.03.01) |
| Apr 19, 2023 | 0.34% (0.00343) | 67.15th | v3 (v2023.03.01) |
| Mar 24, 2023 | 0.29% (0.00287) | 63.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.20% (0.00201) | 56.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.09% (0.01086) | 53.47th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.09% (0.01086) | 51.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.09% (0.01086) | 49.83th | v2 (v2022.01.01) |
| Mar 24, 2022 | 1.09% (0.01086) | 29.54th | v2 (v2022.01.01) |
| Mar 18, 2022 | 2.56% (0.02559) | 59.47th | v2 (v2022.01.01) |
References (3)
- https://github.com/advisories/GHSA-66ww-999q-mffq Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-0748
- https://snyk.io/vuln/SNYK-JS-POSTLOADER-2403737 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-66ww-999q-mffq | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2022-0748 | ||
| https://snyk.io/vuln/SNYK-JS-POSTLOADER-2403737 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.