Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade getgrav/grav
to version 1.7.42.2 or higher.
getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS.
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') due to incorrect return value from isDangerousFunction()
, which allows to execution of the payload prepending double backslash (\\
). The isDangerousFunction()
check returns a false
value instead of true
when the \
symbol is found in the $name
.
Note:
This vulnerability can be exploited if the attacker has access to:
An Administrator account.
A non-administrator user account that has Admin panel access and Create/Update page permissions.