Medium (6.1) in collaboraoffice collabora online. EPSS 0.3% chance of exploitation in the next 30 days.
Collabora Online is a collaborative online office suite based on LibreOffice. A stored cross-site scripting vulnerability was found in Collabora Online. An attacker could create a document with an XSS payload in document text referenced by field which, if hovered over to produce a tooltip, could be executed by the user's browser. Users should upgrade to Collabora Online 23.05.10.1 or higher. Earlier series of Collabora Online, 22.04, 21.11, etc. are unaffected.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)