Path Traversal: \'../filedir\' in XWiki platform - CVE-2026-48047
Published: May 21, 2026
Vulnerability identifier: #VU132085
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-48047
CWE-ID: CWE-24
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: XWiki
Affected software:
XWiki platform
XWiki platform
Detailed vulnerability description
The vulnerability allows a remote user to write arbitrary files.
The vulnerability exists due to path traversal in the WebJar extension handling in xwiki-platform-webjars-api when installing a malicious WebJar extension. A remote privileged user can install a specially crafted extension to write arbitrary files.
Exploitation requires that a malicious extension be available in an extension repository configured in the instance.
How to mitigate CVE-2026-48047
Install security update from vendor's website.