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Fencer Vulns
medium 5.0

CVE-2005-4880 json

Jax Guestbook 3.1 and 3.31 stores sensitive information under the web root with insufficient access control, which allows remote attackers…

published 2009-03-31 17 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4871

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
4
Exploit-DB

Summary

Jax Guestbook 3.1 and 3.31 stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain IP addresses of users via a direct request to (1) guestbook, (2) guestbook_ips2block, (3) ips2block, and (4) formmailer/logfile.csv.

Timeline

  1. First public exploit (EDB-26092)
  2. Published

Exploit prediction

2.39% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26092 Jax PHP Scripts 1.0/1.34/2.14/3.31 - logfile.csv User IP Disclosure webapps, 2005-08-05
  • EDB-26091 Jax PHP Scripts 1.0/1.34/2.14/3.31 - ips2block Banned IP List Disclosure webapps, 2005-08-05
  • EDB-26090 Jax PHP Scripts 1.0/1.34/2.14/3.31 - guestbook_ips2block Banned IP List Disclosure webapps, 2005-08-05
  • EDB-26089 Jax PHP Scripts 1.0/1.34/2.14/3.31 - Guestbook File Client IP Disclosure webapps, 2005-08-05
  • lostmon.blogspot.com http://lostmon.blogspot.com/2005/08/jax-php-scripts-multiple.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

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.