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Fencer Vulns
medium 5.0

CVE-2006-0658 json

Incomplete blacklist vulnerability in connector.php in FCKeditor 2.0 and 2.2, as used in products such as RunCMS, allows remote attackers t…

published 2006-02-13 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0665

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.9%
EPSS 6.9% chance of exploitation in 30 days, percentile 94%
public exploits
2
Exploit-DB

Summary

Incomplete blacklist vulnerability in connector.php in FCKeditor 2.0 and 2.2, as used in products such as RunCMS, allows remote attackers to upload and execute arbitrary script files by giving the files specific extensions that are not listed in the Config[DeniedExtensions][File], such as .php.txt.

Timeline

  1. First public exploit (EDB-1484)
  2. Published

Exploit prediction

6.90% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-3702 InoutMailingListManager 3.1 - Remote Command Execution webapps, 2007-04-10
  • EDB-1484 FCKEditor 2.0 < 2.2 - 'FileManager connector.php' Arbitrary File Upload webapps, 2006-02-09
  • retrogod.altervista.org http://retrogod.altervista.org/fckeditor_22_xpl.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/archive/1/424708 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:N/I:P/A:N

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.