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 org.xwiki.platform:xwiki-platform-oldcore
to version 14.10.19, 15.5.4, 15.9-rc-1 or higher.
org.xwiki.platform:xwiki-platform-oldcore is a generic wiki platform offering runtime services for applications built on top of it.
Affected versions of this package are vulnerable to Information Exposure. An attacker can access the hash of a password by using the diff
feature whenever the object storing the password is deleted.
Using that vulnerability, it's possible for an attacker to have access to the hash password of a user if the attacker has to edit the user's page.
This vulnerability impacts any extensions that might use passwords stored in xobjects
, depending on the rights of those pages.
Admins should ensure that the user pages are properly protected: the edit right shouldn't be allowed for other users than Admin and the owner of the profile (which is the default right).
Create a user
With Admin account, go to the user page in object editor, remove the user xobject
and save
3)Perform a diff between last version and previous one