VDB-332807 · CVE-2025-63800 · GCVE-0-2025-63800

Open Source Point of Sale 3.4.1 Password Change Endpoint password/repeat_password weak password

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Open Source Point of Sale 3.4.1. This affects an unknown part of the component Password Change Endpoint. The manipulation of the argument password/repeat_password leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2025-63800. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Open Source Point of Sale 3.4.1 and classified as critical. This issue affects some unknown processing of the component Password Change Endpoint. The manipulation of the argument password/repeat_password with an unknown input leads to a unknown weakness. Using CWE to declare the problem leads to CWE-521. The product does not require that users should have strong passwords, which makes it easier for attackers to compromise user accounts. Impacted is integrity, and availability. The summary by CVE is:

The password change endpoint in Open Source Point of Sale 3.4.1 allows users to set their account password to an empty string due to missing server-side validation. When an authenticated user omits or leaves the `password` and `repeat_password` parameters empty in the password change request, the backend still returns a successful response and sets the password to an empty string. This effectively disables authentication and may allow unauthorized access to user or administrative accounts.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-63800 since 10/27/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Open Source Point of Sale

Version

3.4.1

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Weak password
CWE: CWE-521
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

10/27/2025 CVE reserved
11/18/2025 +22 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
11/19/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-63800 (🔒)
GCVE (CVE): GCVE-0-2025-63800
GCVE (VulDB): GCVE-100-332807

Entryinfo

Created: 11/18/2025 20:04
Updated: 11/19/2025 05:19
Changes: 11/18/2025 20:04 (52), 11/19/2025 05:19 (2)
Complete: 🔍
Cache ID: 216::103