Unspecified vulnerability in phpBB allows remote authenticated users with Administration Panel access to execute arbitrary PHP code via crafted Font Colour 3 ($theme[fontcolor3] variable) and/or signature values, possibly involving the highlight functionality. NOTE: the original report does not clarify whether this issue is static code injection, eval injection, or another type of vulnerability.
Conclusion & alert: CVE-2006-1896 is rated Moderate Risk (51.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.27%). 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 | 2025-03-30 | 1.20% | 1.27% | +0.07% |
| 2 | 2025-03-29 | 1.27% | 1.20% | -0.07% |
| 3 | 2025-03-17 | — | 1.27% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.0 | 2.0 | MEDIUM |
|
6.8 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2006-1896 medium priority: Ubuntu including 1 source packages (phpbb2), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 5, DNE 2, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2006-1896 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| phpbb_group | phpbb | — | cpe:2.3:a:phpbb_group:phpbb:*:*:*:*:*:*:*:* |