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SQL injection vulnerability in the MyeGallery module for MAXdev MDPro (MD-Pro) and Postnuke allows remote attackers to execute arbitrary SQL commands via the pid parameter in a showpic action to index.php.
SQL injection vulnerability in modules.php in PostNuke 0.764 allows remote attackers to execute arbitrary SQL commands via the sid parameter in a News article modload action.
Multiple cross-site scripting (XSS) vulnerabilities in PostNuke 0.760-RC4b allows remote attackers to inject arbitrary web script or HTML via (1) the moderate parameter to the Comments module or (2) htmltext parameter to html/user.php.
The RSS module in PostNuke 0.750 and 0.760RC2 and RC3 allows remote attackers to obtain sensitive information via a direct request to simplesmarty.php, which reveals the path in an error message.
PostNuke 0.750 and 0.760RC3 allows remote attackers to obtain sensitive information via a direct request to (1) theme.php or (2) Xanthia.php in the Xanthia module, (3) user.php, (4) thelang.php, (5) text.php, (6) html.php, (7) menu.php, (8) finclude.php, or (9) button.php in the pnblocks directory in the Blocks module, (10) config.php in the NS-Multisites (aka Multisites) module, or (11) xmlrpc.php, which reveals the path in an error message.
The pnVarPrepForStore function in PostNuke 0.764 and earlier skips input sanitization when magicquotesruntime is enabled, which allows remote attackers to conduct SQL injection attacks and execute arbitrary SQL commands via input associated with server variables, as demonstrated by the CLIENTIP HTTP header (HTTPCLIENTIP variable).