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CVE-2025-67163

Good to know:

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Date: December 18, 2025

A stored cross-site scripting (XSS) vulnerability in Simple Machines Forum v2.1.6 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Forum Name parameter.

Severity Score

Related Resources (7)

https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2025-67163
https://wiki.simplemachines.org/smf/Installing
https://nvd.nist.gov/vuln/detail/CVE-2025-67163
https://github.com/SimpleMachines/SMF/blob/release-3.0/Themes/default/Stats.template.php#L26
https://github.com/SimpleMachines/SMF/security/advisories/GHSA-p2xm-x9fp-5r7x
https://github.com/SimpleMachines/SMF
https://www.mend.io/vulnerability-database/CVE-2025-67163

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Improper Input Validation

CWE-20

Improper Neutralization of Script in Attributes in a Web Page

CWE-83

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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