Directory traversal vulnerability in (1) usercp_register.php and (2) usercp_avatar.php for phpBB 2.0.11, and possibly other versions, with gallery avatars enabled, allows remote attackers to delete (unlink) arbitrary files via "/../" sequences in the avatarselect parameter.
Conclusion & alert: CVE-2005-0258 is rated Moderate Risk (48/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.83%). Core evidence: EPSS rose +1.36% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.47% | 1.83% | +1.36% |
| 2 | 2025-03-17 | 0.72% | 0.47% | -0.24% |
| 3 | 2024-12-17 | — | 0.72% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2005-0258 medium priority: Ubuntu including 1 source packages (phpbb2), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. | https://ubuntu.com/security/CVE-2005-0258 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| phpbb_group | phpbb | 2.0.0 | cpe:2.3:a:phpbb_group:phpbb:2.0.0:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.1 | cpe:2.3:a:phpbb_group:phpbb:2.0.1:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.2 | cpe:2.3:a:phpbb_group:phpbb:2.0.2:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.3 | cpe:2.3:a:phpbb_group:phpbb:2.0.3:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.4 | cpe:2.3:a:phpbb_group:phpbb:2.0.4:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.5 | cpe:2.3:a:phpbb_group:phpbb:2.0.5:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.6 | cpe:2.3:a:phpbb_group:phpbb:2.0.6:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.6c | cpe:2.3:a:phpbb_group:phpbb:2.0.6c:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.6d | cpe:2.3:a:phpbb_group:phpbb:2.0.6d:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.7 | cpe:2.3:a:phpbb_group:phpbb:2.0.7:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.7a | cpe:2.3:a:phpbb_group:phpbb:2.0.7a:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.8 | cpe:2.3:a:phpbb_group:phpbb:2.0.8:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.8a | cpe:2.3:a:phpbb_group:phpbb:2.0.8a:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.9 | cpe:2.3:a:phpbb_group:phpbb:2.0.9:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.10 | cpe:2.3:a:phpbb_group:phpbb:2.0.10:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0.11 | cpe:2.3:a:phpbb_group:phpbb:2.0.11:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0_beta1 | cpe:2.3:a:phpbb_group:phpbb:2.0_beta1:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0_rc1 | cpe:2.3:a:phpbb_group:phpbb:2.0_rc1:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0_rc2 | cpe:2.3:a:phpbb_group:phpbb:2.0_rc2:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0_rc3 | cpe:2.3:a:phpbb_group:phpbb:2.0_rc3:*:*:*:*:*:*:* |
| phpbb_group | phpbb | 2.0_rc4 | cpe:2.3:a:phpbb_group:phpbb:2.0_rc4:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.gentoo.org/security/en/glsa/glsa-200503-02.xml | |
| http://www.idefense.com/application/poi/display?id=205&type=vulnerabilities | Patch Vendor Advisory |
| http://www.phpbb.com/support/documents.php?mode=changelog | Vendor Advisory |