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Fencer Vulns
critical 10.0

CVE-2002-1993 in the critical feed json

webbbs_post.pl in WebBBS 4 and 5.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the followup parameter.

published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1972

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.9%
EPSS 11.9% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

webbbs_post.pl in WebBBS 4 and 5.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the followup parameter.

Timeline

  1. First public exploit (EDB-21567)
  2. Published

Exploit prediction

11.88% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-21567 WebScripts WebBBS 4.x/5.0 - Remote Command Execution webapps, 2002-06-06
  • securityfocus.com http://www.securityfocus.com/bid/5048 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.