The rfc1867_post_handler function in main/rfc1867.c in PHP before 5.3.7 does not properly restrict filenames in multipart/form-data POST requests, which allows remote attackers to conduct absolute path traversal attacks, and possibly create or overwrite arbitrary files, via a crafted upload request, related to a "file path injection vulnerability."
Severity
Medium 6.4
Published
16 Jun 2011
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
20% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026