RCE in Mtons Mblog

CVE-2025-9429

A security vulnerability has been detected in mtons mblog up to 3.5.0. This vulnerability affects unknown code of the file /post/submit of the component Post Handler. The manipulation of the argument content/title/ leads to cross site scri…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (14.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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 (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-2025-9429?
CVE-2025-9429 is a low-severity vulnerability in Mtons Mblog, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-08-26.
How severe is CVE-2025-9429?
Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2025-9429 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.