Zimbra Collaboration Suite Classic Web Client Stored Cross-Site Scripting via Forged Share Invitation
25Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3
exploitation probability
—
observed exploitation
nono source reports it
An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Classic recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Affected products
Zimbra · Zimbra Collaboration Suite (ZCS)