phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.0167 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:phpbb_group:phpbb:2.0.21:*:*:*:*:*:*:* | 2.0.21 | Vulnerable | Phpbb Group |
- cpe:2.3:a:phpbb_group:phpbb:2.0.21:*:*:*:*:*:*:* Versions 2.0.21 Vulnerable ·Phpbb Group
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-4758
- 2026-10-03 Alias added: GHSA-97xh-65pc-g79h
References
More Phpbb Group Phpbb vulnerabilities
- TI-2005-01974 PHP remote file inclusion vulnerability in viewtopic.php in phpBB 2.0.15 and earlier… CVSS 2.0HIGH 7.5
- TI-2004-01193 viewtopic.php in phpBB 2.x before 2.0.11 improperly URL decodes the highlight parameter… CVSS 2.0HIGH 7.5
- TI-2002-00458 db.php in phpBB 2.0 (aka phpBB2) RC-3 and earlier allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2005-01131 The bbencode_second_pass and make_clickable functions in bbcode.php for phpBB before… CVSS 2.0HIGH 7.5
- TI-2002-02089 SQL injection vulnerability in Gender MOD 1.1.3 allows remote attackers to gain… CVSS 2.0HIGH 10.0
- TI-2007-01631 PHP remote file inclusion vulnerability in includes/usercp_register.php in phpBB 2.0.19… CVSS 2.0HIGH 10.0
Sources
- CVE-2006-4758 · CVE Program
- CVE-2006-4758 · NVD
- FIRST EPSS
- GHSA-97xh-65pc-g79h · GitHub Advisory Database · CC BY 4.0
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