Prototype pollution in ion-parser
Priority MEDIUM 44CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
This affects all versions of package ion-parser. If an attacker submits a malicious INI file to an application that parses it with parse , they will pollute the prototype on the application. This can be exploited further depending on the context.
Why it matters now
EPSS 0.00942 61st 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 |
|---|---|---|---|---|---|
| — | ion-parser | all versions | — | No fix listed | CNA |
| — | ion-parser (npm) | up to 0.5.2 | — | No fix listed | GHSA-7vrv-5m2h-rjw9 |
- ion-parser Vendor— Affected all versions Fixed in — No fix listed CNA
- ion-parser (npm) Vendor— Affected up to 0.5.2 Fixed in — No fix listed GHSA-7vrv-5m2h-rjw9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ion-parser_project:ion-parser:*:*:*:*:*:node.js:*:* | all versions | Vulnerable | Ion-parser Project |
- cpe:2.3:a:ion-parser_project:ion-parser:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Ion-parser Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28462
- 2026-10-03 Alias added: GHSA-7vrv-5m2h-rjw9
References
Sources
- CVE-2020-28462 · CVE Program
- CVE-2020-28462 · NVD
- FIRST EPSS
- GHSA-7vrv-5m2h-rjw9 · GitHub Advisory Database · CC BY 4.0
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