VDB-241227 · CVE-2023-40519 · EUVD-2023-45090

Broadpeak Centralized Accounts Management Auth Agent index.html disconnectMessage 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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Broadpeak Centralized Accounts Management Auth Agent 00.12.01.9565588_1254b459/01.01.00.19219575_ee9195b0/01.01.01.30097902_fd999e76. It has been rated as problematic. This affects an unknown function of the file bpk-common/auth/login/index.html. Performing a manipulation of the argument disconnectMessage results in cross site scripting. This vulnerability is reported as CVE-2023-40519. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Broadpeak Centralized Accounts Management Auth Agent 00.12.01.9565588_1254b459/01.01.00.19219575_ee9195b0/01.01.01.30097902_fd999e76. This affects an unknown function of the file bpk-common/auth/login/index.html. The manipulation of the argument disconnectMessage 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:

A cross-site scripting (XSS) vulnerability in the bpk-common/auth/login/index.html login portal in Broadpeak Centralized Accounts Management Auth Agent 01.01.00.19219575_ee9195b0, 01.01.01.30097902_fd999e76, and 00.12.01.9565588_1254b459 allows remote attackers to inject arbitrary web script or HTML via the disconnectMessage parameter.

The weakness was disclosed 10/04/2023. It is possible to read the advisory at medium.com. This vulnerability is uniquely identified as CVE-2023-40519 since 08/14/2023. 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.

By approaching the search of inurl:bpk-common/auth/login/index.html it is possible to find vulnerable targets with Google Hacking.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-45090). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Broadpeak

Name

Centralized Accounts Management Auth Agent

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/14/2023 🔍
10/04/2023 +51 days 🔍
10/04/2023 +0 days 🔍
01/28/2026 +846 days 🔍

Sourcesinfo

Advisory: medium.com
Status: Not defined

CVE: CVE-2023-40519 (🔍)
GCVE (CVE): GCVE-0-2023-40519
GCVE (VulDB): GCVE-100-241227
EUVD: 🔍

Entryinfo

Created: 10/04/2023 08:12
Updated: 01/28/2026 00:06
Changes: 10/04/2023 08:12 (39), 10/25/2023 10:12 (11), 01/28/2026 00:06 (16)
Complete: 🔍
Cache ID: 216::103

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