Cross-Site Scripting Vulnerability in SimpleMachines SMF by SimpleMachines
CVE-2025-2582

5.1MEDIUM

Key Information:

Vendor

Simplemachines

Status
Smf
Vendor
CVE Published:
21 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2582?

A vulnerability has been identified in SimpleMachines SMF 2.1.4, centered around the ManageAttachments.php file. This issue allows for remote execution of cross-site scripting attacks due to improper handling of the Notice argument. Malicious actors may exploit this flaw to inject arbitrary scripts into web pages viewed by other users, compromising the security of the affected website. Prompt action is advised as the exploit is publicly known and could be leveraged against vulnerable installations.

Affected Version(s)

SMF 2.1.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-2582 - Proof of Concept

CVE-2025-2582 - Proof of Concept

References

https://vuldb.com/?id.300542
vdb-entrytechnical-description
https://vuldb.com/?ctiid.300542
signaturepermissions-required
https://vuldb.com/?submit.511999
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fewwords (VulDB User)
.