VDB-94617 · CVE-2016-5303 · BID 94997

IMP Horde Groupware/Horde Groupware Webmail Edition up to 5.2.15 data:text/html action/xlink cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.1	$0-$5k	0.00

A vulnerability classified as problematic has been found in IMP Horde Groupware and Horde Groupware Webmail Edition up to 5.2.15 (Groupware Software). This affects an unknown code block of the component data:text/html Handler. The manipulation of the argument action/xlink 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:

Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware and Horde Groupware Webmail Edition before 5.2.16 allows remote attackers to inject arbitrary web script or HTML via crafted data:text/html content in a form (1) action or (2) xlink attribute.

The bug was discovered 10/03/2017. The weakness was disclosed 12/20/2016 (Website). The advisory is shared at marc.info. This vulnerability is uniquely identified as CVE-2016-5303 since 06/06/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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.

Upgrading to version 5.2.16 eliminates this vulnerability.

Productinfo

Type

Groupware Software

Vendor

Name

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
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: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Horde Groupware/Horde Groupware Webmail Edition 5.2.16
Patch: github.com

Timelineinfo

06/06/2016 🔍
12/20/2016 +197 days 🔍
12/20/2016 +0 days 🔍
12/21/2016 +1 days 🔍
12/21/2016 +0 days 🔍
10/03/2017 +286 days 🔍
10/12/2022 +1835 days 🔍

Sourcesinfo

Advisory: 30d5506c20d26efbb9942fbdc6f981a0bd333b97
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5303 (🔍)
SecurityFocus: 94997 - Horde Groupware Multiple Cross Site Scripting Vulnerabilities

Entryinfo

Created: 12/21/2016 09:48
Updated: 10/12/2022 13:11
Changes: 12/21/2016 09:48 (60), 07/12/2019 18:23 (5), 10/12/2022 13:11 (5)
Complete: 🔍