CVE-2026-8496
Deferred Deferred - Pending Action
BaseFortify

Publication date: 2026-05-13

Last updated on: 2026-05-14

Assigner: CERT/CC

Description
A cross-site scripting (XSS) vulnerability exists in Alinto SOGo, version 5.12.7. A maliciously crafted ICS calendar invitation files allows arbitrary JavaScript execution within the authenticated SOGo webmail session. The issue occurs because SVG content embedded in the description field of an ICS file, with an onrepeat event handler, is insufficiently sanitized before being rendered in the webmail interface. A remote attacker can execute JavaScript in the victim's browser when the malicious calendar invite is viewed. Successful exploitation may allow mailbox access, email and contact theft, session hijacking, and other actions allowed by an authenticated user.
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Meta Information
Published
2026-05-13
Last Modified
2026-05-14
Generated
2026-06-10
EPSS Evaluated
2026-06-08
NVD
CVE-2026-8496
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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CWE ID Description
CWE-UNKNOWN
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