Icewarp Client 10.3.4/11.0.0.0 HTML Element HTML injection

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Icewarp Client 10.3.4/11.0.0.0 and classified as problematic. This issue affects some unknown processing of the component HTML Element Handler. Executing a manipulation can lead to HTML injection. This vulnerability appears as CVE-2018-25269. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Icewarp Client 10.3.4/11.0.0.0 and classified as problematic. This vulnerability affects an unknown code of the component HTML Element Handler. The manipulation with an unknown input leads to a html injection vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

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.

The weakness was presented by Usman Saeed as 45974. The advisory is available at exploit-db.com. This vulnerability was named CVE-2018-25269 since 04/22/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: HTML injection
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/22/2026 Advisory disclosed
04/22/2026 +0 days CVE reserved
04/22/2026 +0 days VulDB entry created
05/27/2026 +35 days VulDB entry last update

Sourcesinfo

Advisory: 45974
Researcher: Usman Saeed
Status: Not defined

CVE: CVE-2018-25269 (🔒)
GCVE (CVE): GCVE-0-2018-25269
GCVE (VulDB): GCVE-100-358978
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/22/2026 17:40
Updated: 05/27/2026 07:14
Changes: 04/22/2026 17:40 (79), 05/27/2026 07:14 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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