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Fencer Vulns
medium 5.0

CVE-2005-4712 json

CRLF injection vulnerability in process_signup.php in PHP Handicapper allows remote attackers to inject arbitrary HTTP headers via CRLF seq…

published 2005-12-31 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4705

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

CRLF injection vulnerability in process_signup.php in PHP Handicapper allows remote attackers to inject arbitrary HTTP headers via CRLF sequences in the login parameter. NOTE: the vendor has disputed CVE-2005-3497, and it is possible that the dispute was intended to include this issue as well.

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • zone-h.org http://www.zone-h.org/advisories/read/id=8360 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.