CollaboraOnline prior 23.5.403 Built-in CODE Server App proxy.php cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in CollaboraOnline. This affects an unknown part of the file proxy.php of the component Built-in CODE Server App. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2023-48314. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in CollaboraOnline. It has been classified as problematic. This affects some unknown functionality of the file proxy.php of the component Built-in CODE Server App. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

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.

The weakness was presented 12/02/2023 as GHSA-qjrm-q4h5-v3r2. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-48314 since 11/14/2023. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:proxy.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 23.5.403 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-52370). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CollaboraOnline 23.5.403

Timelineinfo

11/14/2023 🔍
12/02/2023 +18 days 🔍
12/02/2023 +0 days 🔍
06/03/2025 +549 days 🔍

Sourcesinfo

Advisory: GHSA-qjrm-q4h5-v3r2
Status: Confirmed

CVE: CVE-2023-48314 (🔍)
GCVE (CVE): GCVE-0-2023-48314
GCVE (VulDB): GCVE-100-246633
EUVD: 🔍

Entryinfo

Created: 12/02/2023 08:30
Updated: 06/03/2025 05:15
Changes: 12/02/2023 08:30 (50), 12/22/2023 08:23 (11), 06/03/2025 05:15 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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