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Fencer Vulns
medium 4.3

CVE-2008-7140 json

Multiple cross-site scripting (XSS) vulnerabilities in @lex Guestbook 4.0.5 and earlier allow remote attackers to inject arbitrary web scri…

published 2009-09-01 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-7099

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
2
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in @lex Guestbook 4.0.5 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) language_setup parameter to setup.php or (2) test parameter to index.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information. NOTE: a third party has been reported that the test parameter is not used in @lex Guestbook.

Timeline

  1. First public exploit (EDB-31566)
  2. Published

Exploit prediction

1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-31566 @lex Guestbook 4.0.5 - 'index.php?test' Cross-Site Scripting webapps, 2008-03-31
  • EDB-31565 @lex Guestbook 4.0.5 - 'setup.php?language_setup' Cross-Site Scripting webapps, 2008-03-31
  • downloads.securityfocus.com http://downloads.securityfocus.com/vulnerabilities/exploits/28519.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/28519 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.