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
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8$0-$5k0.00

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.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

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: 🔍
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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 🔍
12/22/2023 +20 days 🔍

Sourcesinfo

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

CVE: CVE-2023-48314 (🔍)

Entryinfo

Created: 12/02/2023 08:30 AM
Updated: 12/22/2023 08:23 AM
Changes: 12/02/2023 08:30 AM (50), 12/22/2023 08:23 AM (11)
Complete: 🔍
Cache ID: 18:D1C:40

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