Cybozu Office up to 10.4.0 Customapp cross site scripting

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

A vulnerability was found in Cybozu Office up to 10.4.0 (Office Suite Software). It has been classified as problematic. This affects the function Customapp. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. This is going to have an impact on integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors.

The bug was discovered 10/03/2016. The weakness was published 04/17/2017 by Kusano Kazuhiko (Website). It is possible to read the advisory at jvn.jp. This vulnerability is uniquely identified as CVE-2016-4865 since 05/17/2016. It is possible to initiate the attack remotely. A authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 196 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93281). Similar entries are available at 99916 and 99920.

Productinfoedit

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CPE 2.3infoedit

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VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Cross site scripting
CWE: CWE-79
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

05/17/2016 🔍
10/03/2016 +139 days 🔍
10/03/2016 +0 days 🔍
04/17/2017 +196 days 🔍
04/17/2017 +0 days 🔍
04/18/2017 +1 days 🔍
08/31/2020 +1231 days 🔍

Sourcesinfoedit

Advisory: jvn.jp
Researcher: Kusano Kazuhiko
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4865 (🔍)
SecurityFocus: 93281 - Cybozu Office Multiple Cross Site Scripting Vulnerabilities
OSVDB: - CVE-2016-4865 - Cybozu - Office - Cross-Site Scripting Issue

See also: 🔍

Entryinfoedit

Created: 04/18/2017 10:26 AM
Updated: 08/31/2020 04:19 PM
Changes: (5) vulnerability_discoverydate advisory_person_name source_osvdb_title source_securityfocus_date source_securityfocus_class
Complete: 🔍

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