phpBB cross-site scripting using BBCode image tags
|phpbb-bbcode-image-xss (9178)||Medium Risk|
phpBB is vulnerable to cross-site scripting. A remote attacker could embed malicious script in a forum message within BBCode image tags by using a double quotation character (") to escape the image source location and insert arbitrary script. The script would be executed within a victim's Web browser once the message is viewed. An attacker could use this vulnerability to steal a user's cookie-based authentication credentials.
Upgrade to the latest version of phpBB (2.0.1 or later), available from the phpBB Download Web page. See References.
- BugTraq Mailing List, Sun May 26 2002 - 10:59:33 CDT: Cross Site Scripting Vulnerability in phpBB2's [IMG] tag and remote avatar.
- phpBB Download Web site: Downloads.
- BID-4858: PHPBB2 Image Tag HTML Injection Vulnerability
- OSVDB ID: 4296: phpBB Crafted IMG BBCode Tag XSS
- phpBB phpBB 2.0 RC-4
May 26, 2002
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