Vulnerability · Published Dec 8, 2023 · Assigned by GitHub_M

CVE-2023-49782Cross-Site-Scripting vulnerability in error message passing in richdocumentscode

High 7.1

In plain English

A high-severity cross-site scripting in online from CollaboraOnline. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)0.4%top 64.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
CollaboraOnline	online	< 23.5.601

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

References

https://github.com/CollaboraOnline/online/security/advisories/GHSA-8xm5-pgfr-8mjr x_refsource_CONFIRM
https://apps.nextcloud.com/apps/richdocumentscode x_refsource_MISC