How severe is CVE-2018-25269?

CVE-2018-25269 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-25269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-25269?

CVE-2018-25269 affects Icewarp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-25269?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2018-25269 have an EU (EUVD) identifier?

Yes. CVE-2018-25269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21785.

When was CVE-2018-25269 published?

CVE-2018-25269 was published on 2026-04-22 and last updated on 2026-06-17.

CVE-2018-25269

CVE-2018-25269 is a medium-severity vulnerability in Icewarp with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21785
Weakness: CWE-79
Affected product: Icewarp
Published: 2026-04-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-25269?: 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.
How severe is CVE-2018-25269?: CVE-2018-25269 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-25269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-25269?: CVE-2018-25269 affects Icewarp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-25269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2018-25269 have an EU (EUVD) identifier?: Yes. CVE-2018-25269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21785.
When was CVE-2018-25269 published?: CVE-2018-25269 was published on 2026-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:icewarp:icewarp:11.0.0.0:*:*:*:*:*:*:*

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