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CVE-2018-25269

Status: ModifiedMedium (5.1)—

ICEWARP 10.3.4 and 11.0.0.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious HTML elements into emails by embedding base64-encoded payloads in object and embed tags. Attackers can craft emails containing data URIs with embedded scripts that execute in the client when the email is viewed, compromising user sessions and stealing sensitive information.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2018-25269",
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          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-04-22T15:47:11.555257Z"
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
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      "tags": [
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    },
    {
      "url": "https://www.vulncheck.com/advisories/icewarp-cross-site-scripting-via-email-html-injection",
      "tags": [
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      "description": [
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    }
  ],
  "lastModified": "2026-06-17T01:55:07.627",
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