XSS Vulnerability in SmarterMail Product by SmarterTools
CVE-2026-26930

7.2HIGH

Key Information:

Vendor

Smartertools

Status
Smartermail
Vendor
CVE Published:
16 February 2026

What is CVE-2026-26930?

An XSS vulnerability exists in SmarterTools' SmarterMail product versions prior to 9526, which can be triggered via MAPI requests. This security flaw potentially allows attackers to execute arbitrary scripts in a user's browser session, posing a risk of data theft or session hijacking. Users are advised to upgrade to the latest version to mitigate risks associated with this vulnerability.

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Deploy the Patch

Affected Version(s)

SmarterMail 0 < 9526

References

https://www.smartertools.com/smartermail/release-notes/cu...
https://www.smartertools.com/smartermail/release-notes#9526

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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