title: Cross-Site-Scripting vulnerability in error message passing in richdocumentscode
description: Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.
problem types: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
affected:
{
vendor: CollaboraOnline
product: online
versions:
version: < 23.5.601, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 7.1
baseSeverity: HIGH
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
version: 3.1
]