CVE-2023-46731

Public Exploit
Remote code execution through the section parameter in Administration as guest in XWiki Platform

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki doesn't properly escape the section URL parameter that is used in the code for displaying administration sections. This allows any user with read access to the document `XWiki.AdminSheet` (by default, everyone including unauthenticated users) to execute code including Groovy code. This impacts the confidentiality, integrity and availability of the whole XWiki instance. This vulnerability has been patched in XWiki 14.10.14, 15.6 RC1 and 15.5.1. Users are advised to upgrade. Users unablr to upgrade may apply the fix in commit `fec8e0e53f9` manually. Alternatively, to protect against attacks from unauthenticated users, view right for guests can be removed from this document (it is only needed for space and wiki admins).

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 57.46% Top 5%
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-62pr-qqf7-hh89 exploit vendor advisory
https://github.com/xwiki/xwiki-platform/commit/fec8e0e53f9fa2c3f1e568cc15b0e972727c803a patch
https://github.com/xwiki/xwiki-platform/commit/fec8e0e53f9fa2c3f1e568cc15b0e972727c803a#diff-6271f9be501f30b2ba55459eb451aee3413d34171ba8198a77c865306d174e23 patch
https://jira.xwiki.org/browse/XWIKI-21110 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-46731?
CVE-2023-46731 has been scored as a critical severity vulnerability.
How to fix CVE-2023-46731?
To fix CVE-2023-46731, 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-2023-46731 being actively exploited in the wild?
It is possible that CVE-2023-46731 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~57% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-46731?
CVE-2023-46731 affects xwiki xwiki-platform.
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