ShoreTel Connect ONSITE 18.82.2000.0/19.45.1602.0 brandUrl Reflected 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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5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in ShoreTel Connect ONSITE and classified as problematic. The affected element is an unknown function. Performing a manipulation of the argument brandUrl as part of Parameter results in cross site scripting (Reflected). This vulnerability is cataloged as CVE-2019-9591. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ShoreTel Connect ONSITE. It has been classified as problematic. This affects an unknown part. The manipulation of the argument brandUrl as part of a Parameter leads to a cross site scripting vulnerability (Reflected). 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:

A reflected Cross-site scripting (XSS) vulnerability in ShoreTel Connect ONSITE before 19.49.1500.0 allows remote attackers to inject arbitrary web script or HTML via the brandUrl parameter.

The bug was discovered 06/14/2017. The weakness was shared 03/06/2019 (Website). It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2019-9591 since 03/06/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 630 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 19.49.1500.0 eliminates this vulnerability.

The entries VDB-131380 and VDB-131381 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Connect ONSITE 19.49.1500.0

Timelineinfo

06/14/2017 🔍
03/06/2019 +630 days 🔍
03/06/2019 +0 days 🔍
03/06/2019 +0 days 🔍
09/14/2025 +2384 days 🔍

Sourcesinfo

Advisory: 152431
Status: Confirmed

CVE: CVE-2019-9591 (🔍)
GCVE (CVE): GCVE-0-2019-9591
GCVE (VulDB): GCVE-100-131379
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/06/2019 20:00
Updated: 09/14/2025 10:47
Changes: 03/06/2019 20:00 (58), 05/14/2020 09:29 (2), 07/26/2023 18:49 (5), 09/14/2025 10:47 (23)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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