What is CVE-2025-67163?

CVE-2025-67163 is a medium-severity vulnerability in Simplemachines Simple_machines_forum, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2025-12-18.

How severe is CVE-2025-67163?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Simplemachines Simple_machines_forum

CVE-2025-67163

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Simplemachines Simple_machines_forum — versions 2.1.6
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Broken Link)
cve@mitre.org (Product)
cve@mitre.org (Product)
cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-67163?: CVE-2025-67163 is a medium-severity vulnerability in Simplemachines Simple_machines_forum, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2025-12-18.
How severe is CVE-2025-67163?: Medium severity. CVSS v3 base score is 6.1 out of 10.