CVE-2026-112353: medium-severity vulnerability in GFI KerioConnect
GFI KerioConnect < 10.0.8p2 Stored XSS via SVG Attachment
Published · Updated
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35Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck.
ssvc Attendcvss 6.2epss 0.2%
from disclosure to weapon
Published on NVDOct 27
VulnCheckOct 27
GFI KerioConnect (Kerio Connect) before 10.0.8 Patch 2 contains a stored cross-site scripting vulnerability in the Webmail component that allows a remote attacker to run JavaScript in a victim's authenticated Webmail session by uploading a crafted SVG email attachment that bypasses sanitization of event-handler attributes. Attackers can exploit the temporary-download endpoint's insufficient Content-Security-Policy sandbox to execute scripts when the attachment is opened, enabling theft of the victim's credentials and mailbox contents. Proofpoint Threat Research has observed exploitation in the wild as a credential and mailbox stealer.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
Affected products
GFI USA, LLC · GFI KerioConnectRelated CVEs — GFI KerioConnect
In the same product, most dangerous first.