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-skin-ui
to version 14.4.8, 14.10.4 or higher.
Affected versions of this package are vulnerable to Privilege Escalation due to improper escaping in the document SkinsCode.XWikiSkinsSheet
, allowing the attacker to escalate privileges from view
rights on that document to programming
rights. This vulnerability allows the execution of arbitrary script macros, including Groovy and Python macros that allow remote code execution, including unrestricted read and write access to all wiki contents.
Exploiting this vulnerability is possible by opening a non-existing page with a name crafted to contain a dangerous payload.