Unrestricted file upload vulnerability in admin.php in PBBoard 2.1.4 allows remote administrators to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the addons directory. NOTE: this vulnerability can be leveraged by remote attackers using CVE-2012-1216.
Conclusion & alert: CVE-2012-4036 is rated High Exploit Risk (75/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.73%, 91th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 37616 | exploit_db | edb | 2012-08-08 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-04-28 | 5.87% | 6.73% | +0.86% |
| 2 | 2026-03-21 | 5.21% | 5.87% | +0.66% |
| 3 | 2025-03-30 | — | 5.21% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
: Per: http://cwe.mitre.org/data/definitions/434.html 'CWE-434: Unrestricted Upload of File with Dangerous Type'
| URL | Tags |
|---|---|
| http://osvdb.org/84479 | |
| http://secunia.com/advisories/50153 | Vendor Advisory |
| http://www.pbboard.com/forums/t10352.html | Vendor Advisory URL Repurposed |
| http://www.pbboard.com/forums/t10353.html | Exploit URL Repurposed |
| http://www.securityfocus.com/bid/54916 | Exploit |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/77508 | |
| https://www.htbridge.com/advisory/HTB23101 |