The highly critical flaw is caused by an input validation error in .php files, according to vulnerability monitoring firm Secunia. The flaw can be exploited to include arbitrary files from local and external resources.
“Some input isn’t properly sanitized before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user’s browser session in context of an affected site,” according to a Secunia advisory.
One solution to avoid malicious exploitation is to upgrade to NewsPortal version 0.37, according to an advisory posted on the French Security Incident Response Team site.
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