Zoho ManageEngine SupportCenter Plus 8.1.0 /ServiceContractDef.do contractName Stored cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability has been found in Zoho ManageEngine SupportCenter Plus 8.1.0 and classified as problematic. Affected by this vulnerability is some unknown processing of the file /ServiceContractDef.do. The manipulation of the argument contractName as part of a Parameter leads to a cross site scripting vulnerability (Stored). The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

In Zoho ManageEngine SupportCenter Plus 8.1.0, there is HTML Injection and Stored XSS via the /ServiceContractDef.do contractName parameter.

The bug was discovered 09/12/2018. The weakness was published 09/21/2018 (Website). It is possible to read the advisory at packetstormsecurity.com. This vulnerability is known as CVE-2018-16965 since 09/12/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 9 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13386 (Zoho ManageEngine SupportCenter Plus Cross Site Scripting (XSS) Vulnerability).

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

Similar entry is available at VDB-124348.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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NVD Base Score: 6.1
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VulDB Base Score: 🔍
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Name: Stored
Class: Cross site scripting / Stored
CWE: CWE-79 / CWE-74 / CWE-707

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Threat Intelligenceinfo

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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


09/12/2018 🔍
09/12/2018 +0 days 🔍
09/21/2018 +8 days 🔍
09/21/2018 +0 days 🔍
09/22/2018 +1 days 🔍
05/17/2023 +1698 days 🔍


Vendor: manageengine.com

Advisory: 149438
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-16965 (🔍)
See also: 🔍


Created: 09/22/2018 07:50 AM
Updated: 05/17/2023 02:54 PM
Changes: 09/22/2018 07:50 AM (61), 03/26/2020 03:15 PM (2), 05/17/2023 02:54 PM (3)
Complete: 🔍
Cache ID: 100:500:40


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