RCE in Simplemachines Simple_machines_forum

CVE-2025-2582

A vulnerability was found in SimpleMachines SMF 2.1.4 and classified as problematic. Affected by this issue is some unknown functionality of the file ManageAttachments.php. The manipulation of the argument Notice leads to cross site script…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (27.6th 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 (Permissions Required, technical-description, VDB Entry, 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 (Exploit, Third Party Advisory, exploit)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-2582?
CVE-2025-2582 is a low-severity vulnerability in Simplemachines Simple_machines_forum, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-03-21.
How severe is CVE-2025-2582?
Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2025-2582 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.