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CVE Record

CVE-2023-40982: A stored cross-site scripting (XSS) vulnerability in Webmin v2.100 allows attackers to execute arbitrary we...

A stored cross-site scripting (XSS) vulnerability in Webmin v2.100 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the cloned module name parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-40982 is a stored XSS issue reported in Webmin v2.100. A crafted cloned module name can store script or HTML that later runs in a user's browser. The sources do not provide CVSS, patch status, or confirmed exploitation.

Executive priority

Treat this as a targeted hygiene issue for Webmin environments, not a confirmed emergency. Prioritize verification and vendor guidance, especially for exposed admin interfaces.

Technical view

The CVE describes stored cross-site scripting via the cloned module name parameter in Webmin v2.100. Successful abuse could execute arbitrary web scripts or HTML in the Webmin interface. Authentication requirements, affected configurations, and fixed versions are not stated in the provided sources.

Likely exposure

Organizations are most likely exposed if they run Webmin v2.100 and use or allow module cloning. Exposure is higher where Webmin is reachable by broad internal networks or the internet.

Exploitation context

CISA KEV status is false in the bundle, and no cited source confirms active exploitation. The public reference appears to describe the vulnerability, but the bundle does not establish exploit maturity or prerequisites.

Researcher notes

Evidence is limited: the affected structured fields are not populated, CVSS is absent, and the bundle names no patch. Analysis should stay anchored to Webmin v2.100 and the cloned module name parameter.

Mitigation direction

  • Inventory Webmin deployments and identify any running v2.100.
  • Check official Webmin guidance for fixed versions or vendor-recommended remediation.
  • Restrict Webmin access to trusted administrators and management networks.
  • Review cloned module names for suspicious script or HTML content.
  • Prioritize upgrade or mitigation where Webmin is internet-accessible.

Validation and detection

  • Confirm whether Webmin v2.100 is present in asset records or host software inventories.
  • Review Webmin configuration for cloned modules and unusual module names.
  • Check web server and Webmin logs for unexpected module-cloning activity.
  • Validate administrative access controls and network restrictions around Webmin.
Prepared
Confidence
medium
Sources
3

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

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CVE-2023-40982 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
3Timeline events
2ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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