Description
The bbencode_second_pass and make_clickable functions in bbcode.php for phpBB before 2.0.15, as used in viewtopic.php, privmsg.php, and other scripts, allow remote attackers to execute arbitrary script via a BBcode tag with a (1) javascript:, (2) applet:, (3) about:, (4) activex:, (5) chrome:, or (6) script: URI scheme, as demonstrated using the URL tag.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- phpBB 2.0.x - 'BBCode.php' URL Tag EDB-25628 · webapps · May 9, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 1014117 vdb-entry
- VU#113196 third-party-advisory
- 15298 third-party-advisory
- 13545 vdb-entry
- 20050508 phpbb 2.0.15 released - patches high critical vuln mailing-list
- http://www.phpbb.com/phpBB/viewtopic.php?f=14&t=288194
- http://castlecops.com/t123194-.html
- 20050507 phpbb 2.0.15 released - patches high critical vuln mailing-list
- 1013918 vdb-entry
- phpbb-url-bbcode-file-include(20574) vdb-entry
- 16439 vdb-entry