PT-2023-8434 · Document Foundation+2 · Libreoffice+2

Hightimar · Published 2023-12-01 · Updated 2023-12-06 · CVE-2023-48314

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Collabora Online - Built-in CODE Server (richdocumentscode) versions prior to 23.5.403

Description The issue is related to the proxy.php component of Collabora Online, which is a collaborative online office suite based on LibreOffice technology. This component is vulnerable to attack, potentially allowing a remote attacker to conduct a cross-site scripting (XSS) attack due to inadequate protection of the web page structure. Users of Nextcloud with the Collabora Online Built-in CODE Server app are at risk. There are no known workarounds for this issue.

Recommendations For Collabora Online - Built-in CODE Server (richdocumentscode) versions prior to 23.5.403, upgrade to release 23.5.403 to fix the vulnerability. As a temporary workaround, consider restricting access to the proxy.php endpoint until the upgrade is applied.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2024-00718

CVE-2023-48314

GHSA-QJRM-Q4H5-V3R2

Affected Products

Collabora Online

Libreoffice

Nextcloud

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48314.json · Exploit
• https://github.com/CollaboraOnline/online/security/advisories/GHSA-qjrm-q4h5-v3r2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-48314 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-48314 · Security Note
• https://bdu.fstec.ru/vul/2024-00718 · Security Note
• https://t.me/cvenotify/61967 · Telegram Post
• https://t.me/cvenotify/62594 · Telegram Post