XSS Vulnerability in SmarterMail Product by SmarterTools

CVE-2026-26930

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.

Human OS v1.0:
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References