CVE-2023-29521

Public Exploit
Code injection from account/view through VFS Tree macro in xwiki-platform

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of `Macro.VFSTreeMacro`. This page is not installed by default.This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.2, 14.4.8, 13.10.11. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Category

8.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.19% 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-p67q-h88v-5jgr patch vendor advisory exploit
https://github.com/xwiki/xwiki-platform/commit/fad02328f5ec7ab7fe5b932ffb5bc5c1ba7a5b12 patch
https://jira.xwiki.org/browse/XWIKI-20260 patch exploit vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-29521?
CVE-2023-29521 has been scored as a high severity vulnerability.
How to fix CVE-2023-29521?
To fix CVE-2023-29521, 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-2023-29521 being actively exploited in the wild?
It is possible that CVE-2023-29521 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-2023-29521?
CVE-2023-29521 affects xwiki xwiki-platform.
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