Security readout for executives and security teams
Plain-English summary
CVE-2022-37257 describes a prototype pollution flaw in StealJS steal 2.2.4. In business terms, specially shaped version data could corrupt shared JavaScript object behavior if it reaches the vulnerable conversion logic. Public sources do not provide a CVSS score, confirmed affected package metadata, active exploitation evidence, or a named fixed version.
Executive priority
Handle as a dependency exposure triage item, not a confirmed emergency. Prioritize inventory and vendor guidance. Escalate if StealJS steal 2.2.4 is present in production build paths or processes untrusted package metadata.
Technical view
The CVE records prototype pollution in the convertLater function in ext/npm-convert.js, involving the requestedVersion variable. The cited GitHub lines and issue identify the vulnerable code path, but the bundle does not document impact boundaries, exploitability conditions, CVSS, CWE, or remediation version.
Likely exposure
Exposure is most likely in applications, build tooling, or dependency chains using StealJS steal 2.2.4 and its npm conversion logic. Evidence is incomplete because the CVE affected-products section lists n/a, while the description and title name steal 2.2.4.
Exploitation context
The bundle does not cite CISA KEV listing or any public source confirming active exploitation. Treat exploitation status as unconfirmed. Prototype pollution risk depends on whether attacker-controlled or untrusted requestedVersion-like input can reach the vulnerable conversion path.
Researcher notes
The public record is thin: no CVSS, CWE, fixed version, or detailed impact statement is included. Analysis should stay scoped to the named convertLater/requestedVersion prototype pollution issue and avoid assuming broader StealJS versions or exploit outcomes.
Mitigation direction
- Inventory dependencies for StealJS steal 2.2.4 in application and build environments.
- Check StealJS vendor guidance for a fixed release or official mitigation.
- Avoid routing untrusted package version data through affected conversion logic.
- Use dependency monitoring to track updates for CVE-2022-37257.
Validation and detection
- Review SBOMs and lockfiles for steal or stealjs dependencies at version 2.2.4.
- Identify whether ext/npm-convert.js is executed in CI, build, or runtime workflows.
- Trace whether untrusted version metadata can influence requestedVersion.
- Document findings where the dependency is absent or unreachable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2022-37257 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L362CVE reference, mitre
- https://github.com/stealjs/steal/issues/1526CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.