CVE-2024-29182: Collabora Online Stored Cross-Site-Scripting vulnerability via tooltip

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-04 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Collaboraoffice Collabora Online: before 23.05.10.1 — fixed in 23.05.10.1

How to fix

Upgrade to a fixed version: Collaboraoffice Collabora Online 23.05.10.1. Check the vendor advisory for mitigations.

References

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