Vulnerability Report

CVE-2016-9465

Title: Owncloud Cross-Site Scripting (XSS)

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2016-9465.

CWE Category CWE-79

Published Date Mar 28, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 5.4 CVSS v3.0

Exploit Probability (EPSS)

0.50%

Vulnerability Summary

CVE-2016-9465: 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.

Impacted Vendors

nextcloud 1

owncloud 1

Reference Links

https://github.com/nextcloud/server/commit/68ab8325c799d20c1fb7e98d670785176590e7d0 https://github.com/owncloud/core/commit/6bf3be3877d9d9fda9c66926fe273fe79cbaf58e https://github.com/owncloud/core/commit/b5a5be24c418033cb2ef965a4f3f06b7b4213845 https://hackerone.com/reports/163338 https://nextcloud.com/security/advisory/?id=nc-sa-2016-008 https://owncloud.org/security/advisory/?id=oc-sa-2016-018 https://github.com/nextcloud/server/commit/68ab8325c799d20c1fb7e98d670785176590e7d0 https://github.com/owncloud/core/commit/6bf3be3877d9d9fda9c66926fe273fe79cbaf58e https://github.com/owncloud/core/commit/b5a5be24c418033cb2ef965a4f3f06b7b4213845 https://hackerone.com/reports/163338 https://nextcloud.com/security/advisory/?id=nc-sa-2016-008 https://owncloud.org/security/advisory/?id=oc-sa-2016-018

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

5.4

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:S/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns