9.8
CRITICAL CVSS 3.1
CVE-2025-8838
WinterChenS my-site Backend admin preHandle improper authentication
Description

A vulnerability has been found in WinterChenS my-site up to 1f7525f15934d9d6a278de967f6ec9f1757738d8. This vulnerability affects the function preHandle of the file /admin/ of the component Backend Interface. The manipulation of the argument uri leads to improper authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The code maintainer responded to the issue that "[he] tried it, and using this link automatically redirects to the login page."

INFO

Published Date :

Aug. 11, 2025, 9:15 a.m.

Last Modified :

Sept. 11, 2025, 5:05 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-8838 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Winterchens my-site
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Address the improper authentication vulnerability by updating the software and validating authentication mechanisms.
  • Update the software to a version that addresses the authentication bypass.
  • Review and validate authentication mechanisms thoroughly.
  • Implement stricter input validation for URI parameters.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-8838.

URL Resource
https://github.com/WinterChenS/my-site/issues/97 Exploit Issue Tracking
https://github.com/WinterChenS/my-site/issues/97#issuecomment-2986947791 Issue Tracking
https://github.com/WinterChenS/my-site/issues/97#issuecomment-2987091571 Issue Tracking
https://vuldb.com/?ctiid.319372 Permissions Required VDB Entry
https://vuldb.com/?id.319372 Third Party Advisory VDB Entry
https://vuldb.com/?submit.622421 Third Party Advisory VDB Entry
https://github.com/WinterChenS/my-site/issues/97 Exploit Issue Tracking
https://github.com/WinterChenS/my-site/issues/97#issuecomment-2986947791 Issue Tracking
https://github.com/WinterChenS/my-site/issues/97#issuecomment-2987091571 Issue Tracking
https://vuldb.com/?submit.622421 Third Party Advisory VDB Entry
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-8838 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-8838 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-8838 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Sep. 11, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CPE Configuration OR *cpe:2.3:a:winterchens:my-site:2025-06-11:*:*:*:*:*:*:*
    Added Reference Type VulDB: https://github.com/WinterChenS/my-site/issues/97 Types: Exploit, Issue Tracking
    Added Reference Type VulDB: https://github.com/WinterChenS/my-site/issues/97#issuecomment-2986947791 Types: Issue Tracking
    Added Reference Type VulDB: https://github.com/WinterChenS/my-site/issues/97#issuecomment-2987091571 Types: Issue Tracking
    Added Reference Type VulDB: https://vuldb.com/?ctiid.319372 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.319372 Types: Third Party Advisory, VDB Entry
    Added Reference Type CISA-ADP: https://github.com/WinterChenS/my-site/issues/97 Types: Exploit, Issue Tracking
    Added Reference Type CISA-ADP: https://github.com/WinterChenS/my-site/issues/97#issuecomment-2986947791 Types: Issue Tracking
    Added Reference Type CISA-ADP: https://github.com/WinterChenS/my-site/issues/97#issuecomment-2987091571 Types: Issue Tracking
    Added Reference Type VulDB: https://vuldb.com/?submit.622421 Types: Third Party Advisory, VDB Entry
    Added Reference Type CISA-ADP: https://vuldb.com/?submit.622421 Types: Third Party Advisory, VDB Entry
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 11, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/WinterChenS/my-site/issues/97
    Added Reference https://github.com/WinterChenS/my-site/issues/97#issuecomment-2986947791
    Added Reference https://github.com/WinterChenS/my-site/issues/97#issuecomment-2987091571
    Added Reference https://vuldb.com/?submit.622421
  • New CVE Received by [email protected]

    Aug. 11, 2025

    Action Type Old Value New Value
    Added Tag disputed
    Added Description A vulnerability has been found in WinterChenS my-site up to 1f7525f15934d9d6a278de967f6ec9f1757738d8. This vulnerability affects the function preHandle of the file /admin/ of the component Backend Interface. The manipulation of the argument uri leads to improper authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The code maintainer responded to the issue that "[he] tried it, and using this link automatically redirects to the login page."
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CWE CWE-287
    Added Reference https://github.com/WinterChenS/my-site/issues/97
    Added Reference https://github.com/WinterChenS/my-site/issues/97#issuecomment-2986947791
    Added Reference https://github.com/WinterChenS/my-site/issues/97#issuecomment-2987091571
    Added Reference https://vuldb.com/?ctiid.319372
    Added Reference https://vuldb.com/?id.319372
    Added Reference https://vuldb.com/?submit.622421
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.9
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact