CVE-2009-4421
Directory traversal vulnerability in languages_cgi.php in Simple PHP Blog 0.5.1 and earlier...
Directory traversal vulnerability in languages_cgi.php in Simple PHP Blog 0.5.1 and earlier allows remote authenticated users to include and execute arbitrary local files via a .. (dot dot) in the blog_language1 parameter.
Exploit likelihood
What each source reports
NVD Score used
Directory traversal vulnerability in languages_cgi.php in Simple PHP Blog 0.5.1 and earlier allows remote authenticated users to include and execute arbitrary local files via a .. (dot dot) in the blog_language1 parameter.
- Record
CVE-2009-4421- CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
Directory traversal vulnerability in languages_cgi.php in Simple PHP Blog 0.5.1 and earlier allows remote authenticated users to include and execute arbitrary local files via a .. (dot dot) in the blog_language1 parameter.
- Record
CVE-2009-4421- Updated
- 2026-11-02
EUVDEUVD-2009-4388 No score
Directory traversal vulnerability in languages_cgi.php in Simple PHP Blog 0.5.1 and earlier allows remote authenticated users to include and execute arbitrary local files via a .. (dot dot) in the blog_language1 parameter.
- Record
EUVD-2009-4388- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-362w-hrmh-6qvv No score
Directory traversal vulnerability in languages_cgi.php in Simple PHP Blog 0.5.1 and earlier...
Directory traversal vulnerability in languages_cgi.php in Simple PHP Blog 0.5.1 and earlier allows remote authenticated users to include and execute arbitrary local files via a .. (dot dot) in the blog_language1 parameter.
- Record
GHSA-362w-hrmh-6qvv- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Simple PHP Blog 0.5.1 - Local File Inclusion | 2009-12-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-4421 is a medium vulnerability (CVSS 6.5) in Alexander Palmo Simple Php Blog, published December 24, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.00%, the 80th percentile. No source names a fixed version.