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CVE-2023-48314

Unescaped passing of the request URL in Collabora Online

MEDIUM
6.1
CVSS Score
Published: December 1, 2023 at 10:02 PM UTC
Updated: June 17, 2026 at 06:33 AM UTC
2 products affected across 2 vendorsCollabora OnlineOnline

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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. This vulnerability has been fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.403. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Collabora Online· Collaboraoffice
95%
v < 23.5.403
Affected range stops below 23.5.403, so it looks safe — our inference, not a vendor statement
Online· Collaboraonline
60%
v < 23.5.403
Affected range stops below 23.5.403, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://github.com/CollaboraOnline/online/security/advisories/GHSA-qjrm-q4h5-v3r2

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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