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CVE Record

CVE-2023-41013: Cross Site Scripting (XSS) in Webmail Calendar in IceWarp 10.3.1 allows remote attackers to inject arbitrar...

Cross Site Scripting (XSS) in Webmail Calendar in IceWarp 10.3.1 allows remote attackers to inject arbitrary web script or HTML via the "p4" field.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-41013 is a reported cross-site scripting issue in IceWarp 10.3.1 Webmail Calendar. A remote attacker may be able to inject script or HTML through a calendar field, potentially affecting users who view crafted content. Public data is sparse, and no active exploitation is cited in the provided sources.

Executive priority

Treat as a medium-priority webmail risk unless IceWarp 10.3.1 is internet-facing and widely used, where prioritization should increase. The main business concern is user compromise through trusted webmail workflows, but public evidence is limited.

Technical view

The CVE describes XSS in IceWarp 10.3.1 Webmail Calendar via the "p4" field. No CVSS score, CWE mapping, official affected CPEs, or vendor remediation details are included in the provided bundle. CISA KEV status is false, so there is no provided evidence of known exploitation.

Likely exposure

Organizations running IceWarp 10.3.1 with Webmail Calendar enabled are the primary exposure. Exposure is higher where webmail is internet-facing or heavily used by untrusted external senders or collaborators.

Exploitation context

The described impact is browser-side script or HTML injection in a webmail calendar context. Successful abuse would likely depend on a victim viewing attacker-controlled calendar content. No source in the bundle confirms exploitation in the wild.

Researcher notes

The public record is minimal: a CVE description and a Medium reference. There is no CVSS, patch confirmation, exploit-status confirmation, or structured affected-product data beyond IceWarp 10.3.1 in the description. Avoid assuming broader version impact.

Mitigation direction

  • Check IceWarp vendor advisories and release notes for fixed versions or guidance.
  • Prioritize upgrade planning for IceWarp 10.3.1 if Webmail Calendar is used.
  • Limit internet exposure to IceWarp webmail where operationally feasible.
  • Use web security controls to reduce script injection risk if supported.
  • Educate users to treat unexpected calendar content cautiously.

Validation and detection

  • Inventory IceWarp deployments and confirm product version.
  • Determine whether Webmail Calendar is enabled and externally reachable.
  • Review vendor documentation for CVE-2023-41013 remediation status.
  • Check application logs for suspicious calendar-related input patterns.
  • Validate fixes only in an authorized test environment.
Prepared
Confidence
medium
Sources
3

Public sources used

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-2023-41013 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
3Source 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

Source materials

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.