CVE-2006-4758

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-09-13 · updated 2026-06-16

Description

phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.

Affected products

Phpbb Group Phpbb: 2.0.21

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=388120
http://secunia.com/advisories/22188
http://secunia.com/advisories/28871
http://www.debian.org/security/2008/dsa-1488
http://www.phpbb.com/phpBB/viewtopic.php?f=14&t=489624
http://www.security.nnov.ru/Odocument221.html
http://www.securityfocus.com/archive/1/445788/100/0/threaded
http://www.securityfocus.com/bid/20347
http://www.securityfocus.com/bid/21806
https://exchange.xforce.ibmcloud.com/vulnerabilities/28884
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=388120
http://secunia.com/advisories/22188

Get alerted when CVE-2006-4758 or the next vulnerability affects your stack