VDB-98977 · CVE-2016-9465 · OpenVAS 801810

ownCloud Server up to 9.0.5/9.1.1 CardDAV Image Export Stored cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in ownCloud Server up to 9.0.5/9.1.1 (Cloud Software) and classified as problematic. Affected by this vulnerability is an unknown code of the component CardDAV Image Export. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). The CWE definition for the vulnerability is CWE-79. The software 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. As an impact it is known to affect integrity. The summary by CVE is:

Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export. The CardDAV image export functionality as implemented in Nextcloud/ownCloud allows the download of images stored within a vCard. Due to not performing any kind of verification on the image content this is prone to a stored Cross-Site Scripting attack.

The bug was discovered 10/10/2016. The weakness was disclosed 03/28/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2016-9465 since 11/19/2016. The attack can be launched remotely. A single authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 168 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 9.0.6 or 9.1.2 eliminates this vulnerability.

The entries 98980, 98979, 98978 and 98975 are pretty similar.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍



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

NVD Base Score: 🔍


Name: Stored
Class: Cross site scripting / Stored
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


OpenVAS ID: 801810
OpenVAS Name: Nextcloud Multiple Vulnerabilities (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ownCloud Server 9.0.6/9.1.2
Patch: github.com


10/10/2016 🔍
11/19/2016 +40 days 🔍
03/27/2017 +128 days 🔍
03/28/2017 +1 days 🔍
03/28/2017 +0 days 🔍
11/22/2022 +2065 days 🔍


Advisory: 68ab8325c799d20c1fb7e98d670785176590e7d0
Status: Not defined

CVE: CVE-2016-9465 (🔍)
See also: 🔍


Created: 03/28/2017 10:15 PM
Updated: 11/22/2022 04:51 PM
Changes: 03/28/2017 10:15 PM (64), 12/29/2019 01:49 PM (1), 11/22/2022 04:51 PM (5)
Complete: 🔍


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