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Fencer Intel
medium 4.3

CVE-2012-3872 json

Multiple cross-site scripting (XSS) vulnerabilities in Open Constructor 3.12.0 allow remote attackers to inject arbitrary web script or HTM…

published 2012-12-28 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3816

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
3
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Open Constructor 3.12.0 allow remote attackers to inject arbitrary web script or HTML via (1) the result parameter to data/file/edit.php, (2) the q parameter to confirm.php, or (3) the keyword parameter to users/users.php.

Timeline

  1. First public exploit (EDB-37580)
  2. Published

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

  • EDB-37580 Open Constructor - 'confirm.php?q' Cross-Site Scripting webapps, 2012-08-04
  • EDB-37579 Open Constructor - '/data/file/edit.php?result' Cross-Site Scripting webapps, 2012-08-04
  • EDB-37578 Open Constructor - '/users/users.php?keyword' Cross-Site Scripting webapps, 2012-08-04
  • packetstormsecurity.org http://packetstormsecurity.org/files/115284/Openconstructor-CMS-3.12.0-Reflected-XSS.html 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.