Skip to content
Fencer Vulns
medium 4.3

CVE-2009-3493 json

Multiple cross-site scripting (XSS) vulnerabilities in Zenas PaoBacheca Guestbook 2.1 allow remote attackers to inject arbitrary web script…

published 2009-09-30 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3475

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
2
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-34454)
  2. Published

Exploit prediction

1.56% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-34454 PaoBacheca 2.1 - 'scrivi.php' URI Cross-Site Scripting webapps, 2009-09-16
  • EDB-34453 PaoBacheca 2.1 - 'index.php' URI Cross-Site Scripting webapps, 2009-09-16
  • osvdb.org http://osvdb.org/58163 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.org http://packetstormsecurity.org/0909-exploits/paobacheca-xss.txt referenced PoC, tagged "exploit" by a source, unverified
  • osvdb.org http://osvdb.org/58164 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.