RCE in Mtons Mblog

CVE-2025-9431

A flaw has been found in mtons mblog up to 3.5.0. Impacted is an unknown function of the file /search. This manipulation of the argument kw causes cross site scripting. The attack can be initiated remotely. The exploit has been published a…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cna@vuldb.com (technical-description, 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, exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-9431?
CVE-2025-9431 is a medium-severity vulnerability in Mtons Mblog, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2025-08-26.
How severe is CVE-2025-9431?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-9431 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.