Cross-site scripting (XSS) vulnerability in index.php in Simple Machines Forum (SMF)…
Priority LOW 22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cross-site scripting (XSS) vulnerability in index.php in Simple Machines Forum (SMF) allows remote attackers to inject arbitrary web script or HTML via a base64 encoded params value in the action parameter.
Why it matters now
EPSS 0.01158 67th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:simple_machines:simple_machines_forum:1.0.5:*:*:*:*:*:*:* | 1.0.5 | Vulnerable | Simple Machines |
| cpe:2.3:a:simple_machines:simple_machines_forum:1.0.6:*:*:*:*:*:*:* | 1.0.6 | Vulnerable | Simple Machines |
| cpe:2.3:a:simple_machines:simple_machines_forum:1.0.7:*:*:*:*:*:*:* | 1.0.7 | Vulnerable | Simple Machines |
| cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc1:*:*:*:*:*:*:* | 1.1_rc1 | Vulnerable | Simple Machines |
| cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc2:*:*:*:*:*:*:* | 1.1_rc2 | Vulnerable | Simple Machines |
| cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc3:*:*:*:*:*:*:* | 1.1_rc3 | Vulnerable | Simple Machines |
- cpe:2.3:a:simple_machines:simple_machines_forum:1.0.5:*:*:*:*:*:*:* Versions 1.0.5 Vulnerable ·Simple Machines
- cpe:2.3:a:simple_machines:simple_machines_forum:1.0.6:*:*:*:*:*:*:* Versions 1.0.6 Vulnerable ·Simple Machines
- cpe:2.3:a:simple_machines:simple_machines_forum:1.0.7:*:*:*:*:*:*:* Versions 1.0.7 Vulnerable ·Simple Machines
- cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc1:*:*:*:*:*:*:* Versions 1.1_rc1 Vulnerable ·Simple Machines
- cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc2:*:*:*:*:*:*:* Versions 1.1_rc2 Vulnerable ·Simple Machines
- cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc3:*:*:*:*:*:*:* Versions 1.1_rc3 Vulnerable ·Simple Machines
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-5504
- 2026-10-03 Alias added: GHSA-7cgr-mhm8-53pw
References
Other 1
More Simple Machines Forum vulnerabilities
- TI-2008-06234 Multiple PHP remote file inclusion vulnerabilities in Simple Machines Forum (SMF) 1.1.4… CVSS 2.0HIGH 7.5
- TI-2006-04315 Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not… CVSS 2.0HIGH 7.5
- TI-2007-05426 SQL injection vulnerability in Sources/Search.php in Simple Machines Forum (SMF) 1.1.3… CVSS 2.0MEDIUM 6.8
- TI-2007-03204 Unspecified vulnerability in Simple Machines Forum (SMF) 1.1.2 allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2007-03203 Simple Machines Forum (SMF) 1.1.2 uses a concatenation method with insufficient… CVSS 2.0HIGH 7.5
- TI-2006-06755 QueryString.php in Simple Machines Forum (SMF) 1.0.7 and earlier, and 1.1rc2 and earlier… CVSS 2.0HIGH 7.5
Sources
- CVE-2006-5504 · CVE Program
- CVE-2006-5504 · NVD
- FIRST EPSS
- GHSA-7cgr-mhm8-53pw · GitHub Advisory Database · CC BY 4.0
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