Auth bypass in Winterchens My-site

CVE-2025-8838

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 argumen…

Vulnerability class: Broken Authentication

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-8838?
CVE-2025-8838 is a high-severity vulnerability in Winterchens My-site, classified under Improper Authentication. CVSS score: 7.3/10. Published 2025-08-11.
How severe is CVE-2025-8838?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2025-8838 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.