VDB-303063 · CVE-2025-22923 · EUVD-2025-9653

OS4ED openSIS up to 9.1 HTTP POST Request Staff.php&removefile path traversal

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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in OS4ED openSIS up to 9.1. It has been classified as critical. This affects an unknown part of the file /Modules.php?modname=users/Staff.php&removefile of the component HTTP POST Request Handler. Performing a manipulation results in path traversal. This vulnerability was named CVE-2025-22923. There is no available exploit.

Detailsinfo

A vulnerability was found in OS4ED openSIS up to 9.1. It has been classified as critical. This affects an unknown code block of the file /Modules.php?modname=users/Staff.php&removefile of the component HTTP POST Request Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability. The summary by CVE is:

An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal and delete files by sending a crafted POST request to /Modules.php?modname=users/Staff.php&removefile.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-22923 since 01/09/2025. The exploitability is told to be easy. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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-2025-9653). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

OS4ED

Name

openSIS

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/09/2025 🔍
04/02/2025 +82 days 🔍
04/02/2025 +0 days 🔍
07/18/2025 +106 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-22923 (🔍)
GCVE (CVE): GCVE-0-2025-22923
GCVE (VulDB): GCVE-100-303063
EUVD: 🔍

Entryinfo

Created: 04/02/2025 22:58
Updated: 07/18/2025 01:36
Changes: 04/02/2025 22:58 (54), 06/08/2025 15:08 (1), 07/18/2025 01:36 (1)
Complete: 🔍
Cache ID: 216::103