A stored cross-site scripting (XSS) vulnerability in Simple Machines Forum v2.1.6 allows…
Priority MEDIUM 60CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:simplemachines:simple_machines_forum:2.1.6:*:*:*:*:*:*:* | 2.1.6 | Vulnerable | SimpleMachines |
- cpe:2.3:a:simplemachines:simple_machines_forum:2.1.6:*:*:*:*:*:*:* Versions 2.1.6 Vulnerable ·SimpleMachines
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-67163
- 2026-10-03 Alias added: GHSA-fphf-479j-5c8x
References
More SimpleMachines Simple Machines Forum vulnerabilities
- TI-2024-06892 SimpleMachines SMF User Alert Read Status index.php resource injection CVSS 4.0MEDIUM 5.3
- TI-2024-06891 SimpleMachines SMF Delete User index.php resource injection CVSS 4.0MEDIUM 5.3
- TI-2025-02251 SimpleMachines SMF ManageNews.php cross site scripting CVSS 4.0MEDIUM 5.1
- TI-2025-02250 SimpleMachines SMF ManageAttachments.php cross site scripting CVSS 4.0MEDIUM 5.1
- TI-2016-04970 Packages.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP… CVSS 3.0CRITICAL 9.8
- TI-2013-06118 Simple Machines Forum (SMF) 2.0.4 allows local file inclusion, with resultant remote code… CVSS 3.0HIGH 8.8
Sources
- CVE-2025-67163 · CVE Program
- CVE-2025-67163 · NVD
- FIRST EPSS
- GHSA-fphf-479j-5c8x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences