VDB-245763 · CVE-2023-40809 · EUVD-2023-2999

OpenCRX 5.2.0 Activity Search Criteria-Activity Number 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

Summaryinfo

A vulnerability was found in OpenCRX 5.2.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Activity Search Criteria-Activity Number. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2023-40809. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in OpenCRX 5.2.0. This affects an unknown function of the component Activity Search Criteria-Activity Number. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on integrity. The summary by CVE is:

OpenCRX version 5.2.0 is vulnerable to HTML injection via the Activity Search Criteria-Activity Number.

The weakness was presented 11/18/2023. It is possible to read the advisory at esecforte.com. This vulnerability is uniquely identified as CVE-2023-40809 since 08/22/2023. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The exploit is shared for download at esecforte.com. It is declared as proof-of-concept.

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-2023-2999). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

OpenCRX

Version

5.2.0

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.1
CNA 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-80 / CWE-74 / CWE-707
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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/22/2023 🔍
11/18/2023 +88 days 🔍
11/18/2023 +0 days 🔍
11/07/2025 +720 days 🔍

Sourcesinfo

Advisory: esecforte.com
Status: Not defined

CVE: CVE-2023-40809 (🔍)
GCVE (CVE): GCVE-0-2023-40809
GCVE (VulDB): GCVE-100-245763
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/18/2023 07:57
Updated: 11/07/2025 04:39
Changes: 11/18/2023 07:57 (40), 12/14/2023 12:16 (11), 08/10/2024 18:48 (27), 04/21/2025 03:51 (3), 11/07/2025 04:39 (1)
Complete: 🔍
Cache ID: 216::103

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