LiveActive security incident?Get immediate response
CVE Record

CVE-2022-37265: Prototype pollution vulnerability in stealjs steal 2.2.4 via the alias variable in babel.js.

Prototype pollution vulnerability in stealjs steal 2.2.4 via the alias variable in babel.js.

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2022-37265 is a critical prototype pollution flaw reported in StealJS steal 2.2.4. If an affected application exposes the vulnerable alias handling to attacker-controlled input, impact could include data compromise, tampering, or service disruption. The provided sources do not name a fixed version.

Executive priority

Prioritize identification this cycle because the severity is critical and the CVSS vector is unauthenticated network access. Remediation urgency depends on whether steal 2.2.4 is present and reachable in production paths.

Technical view

The CVE describes prototype pollution through the alias variable in stealjs/steal ext/babel.js. It is mapped to CWE-1321 and scored CVSS 3.1 9.8 with network attack vector, low complexity, no privileges, and no user interaction. The bundle identifies steal 2.2.4 but lists affected vendor/product metadata as n/a.

Likely exposure

Exposure is most likely in JavaScript applications or build/runtime paths that include stealjs/steal 2.2.4 and use the affected babel.js alias behavior. The source bundle does not establish broader affected versions, package names, or deployment patterns.

Exploitation context

The CVSS vector indicates remote, unauthenticated, low-complexity potential impact. However, the provided sources do not show active exploitation, public weaponization, or KEV listing. Treat exploitability as serious but not confirmed in the wild from this evidence.

Researcher notes

Evidence is sparse: the CVE description, CVSS, CWE, and GitHub references identify the vulnerable alias variable, but not a patch, exploit status, or complete affected-version range. Avoid assuming impact beyond deployments using steal 2.2.4 and the referenced code path.

Mitigation direction

  • Inventory applications and SBOMs for stealjs/steal version 2.2.4.
  • Check StealJS issue and release guidance for fixed versions or vendor workarounds.
  • Remove or replace affected dependency usage where business feasible.
  • Limit attacker-controlled input reaching alias/configuration handling paths.
  • Prioritize compensating controls for internet-facing affected applications.

Validation and detection

  • Search package manifests and lockfiles for stealjs/steal 2.2.4.
  • Confirm whether ext/babel.js from the referenced commit is present.
  • Trace whether alias values can be influenced by users or external data.
  • Review dependency scanner results for CVE-2022-37265 coverage.
  • Document any affected runtime or build-time entry points.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

cwe · low confidence lookup

CWE-1321: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-37265 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2022-37265Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-1321 · source CWE mapping

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.