The FDF support (ext/fdf) in PHP 5.2.0 and earlier does not implement the input filtering hooks for ext/filter, which allows remote attacke…

published 2007-03-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1446

cvss: 5.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 5.5%; EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits: 1; Exploit-DB

The FDF support (ext/fdf) in PHP 5.2.0 and earlier does not implement the input filtering hooks for ext/filter, which allows remote attackers to bypass web site filters via an application/vnd.fdf formatted POST.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-1452 updated 2025-11-21

fdf extension input filtering

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

2007-03-10 First public exploit (EDB-3452)
2007-03-14 Published

Exploit prediction

5.45% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-3452 PHP 5.2.0 - EXT/Filter FDF Post Filter Bypass remote, 2007-03-10

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Technology feeds

PHP rss critical rss

References

Sources

CVE List CVE-2007-1452
NVD CVE-2007-1452

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.

Summary