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TI-2025-08089 Aliases CVE-2025-8838GHSA-5rgc-2f8v-p8gj

WinterChenS my-site Backend admin preHandle improper authentication

Priority HIGH 70CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00585 48th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WinterChenSmy-site1f7525f15934d9d6a278de967f6ec9f1757738d8—No fix listedCNA
  • my-site VendorWinterChenS Affected 1f7525f15934d9d6a278de967f6ec9f1757738d8 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:winterchens:my-site:2025-06-11:*:*:*:*:*:*:*2025-06-11VulnerableWinterChenS
  • cpe:2.3:a:winterchens:my-site:2025-06-11:*:*:*:*:*:*:* Versions 2025-06-11 Vulnerable ·WinterChenS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8838
  2. 2026-10-03 Alias added: GHSA-5rgc-2f8v-p8gj

References

Exploit 2

Other 1

  • TI-2025-32268 There is an authentication bypass vulnerability in WinterChenS my-site thru commit… CVSS 3.1CRITICAL 9.8
  • TI-2024-35821 Incorrect access control in the doFilter function of my-site v1.0.2.RELEASE allows… CVSS 3.1CRITICAL 9.8
  • TI-2024-37801 Incorrect access control in the preHandle function of my-site v1.0.2 allows attackers to… CVSS 3.1HIGH 7.5
  • TI-2024-35820 Incorrect access control in the preHandle function of my-site v1.0.2.RELEASE allows… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences