CVE-2023-27480

Public Exploit
Data leak through a XAR import XXE attack in xwiki-platform-xar-model

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with edit rights on a document can trigger an XAR import on a forged XAR file, leading to the ability to display the content of any file on the XWiki server host. This vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10-rc-1. Users are advised to upgrade. Users unable to upgrade may apply the patch `e3527b98fd` manually.

Category

7.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.09% Top 25%
Vendor Advisory github.com Vendor Advisory xwiki.org
Affected: xwiki xwiki-platform
Published at:
Updated at:

References

Link Tags
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-gx4f-976g-7g6v exploit patch vendor advisory
https://github.com/xwiki/xwiki-platform/commit/e3527b98fdd8dc8179c24dc55e662b2c55199434 patch
https://jira.xwiki.org/browse/XWIKI-20320 issue tracking patch vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-27480?
CVE-2023-27480 has been scored as a high severity vulnerability.
How to fix CVE-2023-27480?
To fix CVE-2023-27480, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27480 being actively exploited in the wild?
It is possible that CVE-2023-27480 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27480?
CVE-2023-27480 affects xwiki xwiki-platform.
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