CVE-2006-4758
phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated...
phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.
Exploit likelihood
What each source reports
NVD Score used
4.6
phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.
- Record
CVE-2006-4758- CVSS 2.0
- 4.6 Medium
AV:N/AC:H/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.
- Record
CVE-2006-4758- Updated
- 2026-11-02
EUVDEUVD-2006-4745 No score
phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.
- Record
EUVD-2006-4745- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-97xh-65pc-g79h No score
phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated...
phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.
- Record
GHSA-97xh-65pc-g79h- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
phpbb2Debian:3.1 From an advisory covering 6 CVEs |
before 2.0.13+1-6sarge4, plus listed versions 2.0.13+1-62.0.13+1-6sarge12.0.13+1-6sarge22.0.13+1-6sarge3 |
2.0.13+1-6sarge4 |
phpbb2Debian:4.0 From an advisory covering 6 CVEs |
before 2.0.21-7, plus listed versions 2.0.21-6 |
2.0.21-7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-4758 is a medium vulnerability (CVSS 4.6) in Phpbb Group Phpbb, published September 13, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 76th percentile. No source names a fixed version.