Arbitrary code execution in post-loader
Priority MEDIUM 46CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.02089 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | post-loader | 0.0.0 and later | — | No fix listed | CNA |
| — | post-loader (npm) | 0.0.0 and later | — | No fix listed | GHSA-66ww-999q-mffq |
- post-loader Vendor— Affected 0.0.0 and later Fixed in — No fix listed CNA
- post-loader (npm) Vendor— Affected 0.0.0 and later Fixed in — No fix listed GHSA-66ww-999q-mffq
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:post-loader_project:post-loader:*:*:*:*:*:node.js:*:* | up to 2.0.0 | Vulnerable | Post-loader Project |
- cpe:2.3:a:post-loader_project:post-loader:*:*:*:*:*:node.js:*:* Versions up to 2.0.0 Vulnerable ·Post-loader Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-0748
- 2026-10-03 Alias added: GHSA-66ww-999q-mffq
References
Sources
- CVE-2022-0748 · CVE Program
- CVE-2022-0748 · NVD
- FIRST EPSS
- GHSA-66ww-999q-mffq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences