The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that triggers an eval operation
Published Jun 28, 2013
6.8
MEDIUMCVSS 2.0
EPSS 17.32%
Description
The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that triggers an eval operation.
Affected products
No data.
- ≤ 2.0.4
- 0.2.0
- 0.2.1
- 0.2.2
- 0.3.0
- 0.3.1
- 0.3.2
- 0.3.3
- 0.3.4
- 0.3.5
- 0.3.6
- 0.3.7
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
No data.
No Red Hat product state for this CVE.
js-yaml
npm
Introduced 0 Fixed 2.0.5
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | js-yaml | 0 | 2.0.5 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 17.32% (0.17321) | 97.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.19% (0.17186) | 96.69th | v5 (v2026.06.15) |
| Aug 18, 2025 | 64.51% (0.64507) | 98.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 65.61% (0.65611) | 98.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 96.88% (0.96876) | 99.76th | v3 (v2023.03.01) |
| Sep 17, 2024 | 96.88% (0.96876) | 99.74th | v3 (v2023.03.01) |
| Jun 22, 2024 | 93.62% (0.93623) | 99.12th | v3 (v2023.03.01) |
| May 10, 2024 | 93.83% (0.93830) | 99.11th | v3 (v2023.03.01) |
| Apr 25, 2024 | 94.24% (0.94238) | 99.15th | v3 (v2023.03.01) |
| Apr 12, 2024 | 94.21% (0.94206) | 99.14th | v3 (v2023.03.01) |
| Mar 15, 2024 | 93.32% (0.93322) | 99.02th | v3 (v2023.03.01) |
| Feb 8, 2024 | 92.97% (0.92975) | 98.94th | v3 (v2023.03.01) |
| Oct 2, 2023 | 96.94% (0.96940) | 99.62th | v3 (v2023.03.01) |
| Aug 15, 2023 | 97.03% (0.97031) | 99.63th | v3 (v2023.03.01) |
| May 11, 2023 | 97.01% (0.97011) | 99.58th | v3 (v2023.03.01) |
| Mar 25, 2023 | 97.11% (0.97106) | 99.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.32% (0.97316) | 99.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 80.21% (0.80212) | 99.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 80.21% (0.80212) | 99.42th | v2 (v2022.01.01) |
References (5)
- http://portal.nodesecurity.io/advisories/js-yaml x_refsource_CONFIRMVendor Advisory
- https://github.com/advisories/GHSA-xxvw-45rp-3mj2 Advisory
- https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/ x_refsource_MISCExploitVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2013-4660
- https://www.npmjs.com/advisories/16
| Link | Providers | Tags |
|---|---|---|
| http://portal.nodesecurity.io/advisories/js-yaml | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/advisories/GHSA-xxvw-45rp-3mj2 | Advisory | |
| https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/ | x_refsource_MISCExploitVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4660 | ||
| https://www.npmjs.com/advisories/16 |
Change history (0)
No recorded changes yet.