Multiple cross-site scripting (XSS) vulnerabilities in Zenas PaoBacheca Guestbook 2.1 allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO to (1) scrivi.php and (2) index.php.
Conclusion & alert: CVE-2009-3493 is rated High Exploit Risk (60.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.42%). Core evidence: 5 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 |
|---|---|---|---|---|
| 34454 | exploit_db | edb | 2009-09-16 | Exploit-DB ↗ |
| 34453 | exploit_db | edb | 2009-09-16 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | 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 | 2025-12-24 | 1.58% | 1.42% | -0.16% |
| 2 | 2025-07-29 | 1.47% | 1.58% | +0.11% |
| 3 | 2025-03-30 | — | 1.47% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zenas | paobacheca_guestbook | 2.1 | cpe:2.3:a:zenas:paobacheca_guestbook:2.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://osvdb.org/58163 | Exploit |
| http://osvdb.org/58164 | Exploit |
| http://packetstormsecurity.org/0909-exploits/paobacheca-xss.txt | Exploit |
| http://secunia.com/advisories/36741 | Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/53323 |