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Fencer Intel
medium 4.3

CVE-2012-5103 json

Multiple cross-site scripting (XSS) vulnerabilities in action/add-submit.php in Ggb Guestbook 0.3.1 allow remote attackers to inject arbitr…

published 2012-09-23 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5026

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in action/add-submit.php in Ggb Guestbook 0.3.1 allow remote attackers to inject arbitrary web script or HTML via the (1) url or (2) message parameter.

Exploit prediction

1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • packetstormsecurity.org http://packetstormsecurity.org/files/108389/ggbguestbook-xss.txt referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2012-01/0032.html referenced PoC, tagged "exploit" by a source, unverified
  • osvdb.org http://www.osvdb.org/78135 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 Intel 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.