Auth bypass in Zhenfeng13 My-Blog

CVE-2025-9100

A security flaw has been discovered in zhenfeng13 My-Blog 1.0.0. This vulnerability affects unknown code of the file /blog/comment of the component Frontend Blog Article Comment Handler. The manipulation leads to authentication bypass by capture-replay. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Vulnerability class: Broken Authentication

EPSS: 0.005 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cna@vuldb.com (VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
  • cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-9100?
CVE-2025-9100 is a medium-severity vulnerability in Zhenfeng13 My-Blog, classified under Improper Authentication. CVSS score: 5.3/10. Published 2025-08-18.
How severe is CVE-2025-9100?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-9100 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.