CVE-2023-26471

Public Exploit
XWiki Platform users may execute anything with superadmin right through comments and async macro

Description

XWiki Platform is a generic wiki platform. Starting in version 11.6-rc-1, comments are supposed to be executed with the right of superadmin but in restricted mode (anything dangerous is disabled), but the async macro does not take into account the restricted mode. This means that any user with comment right can use the async macro to make it execute any wiki content with the right of superadmin. This has been patched in XWiki 14.9, 14.4.6, and 13.10.10. The only known workaround consists of applying a patch and rebuilding and redeploying `org.xwiki.platform:xwiki-platform-rendering-async-macro`.

Category

9.9
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 1.74% Top 20%
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-9cqm-5wf7-wcj7 vendor advisory
https://github.com/xwiki/xwiki-platform/commit/00532d9f1404287cf3ec3a05056640d809516006 patch
https://jira.xwiki.org/browse/XWIKI-20234 issue tracking patch vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-26471?
CVE-2023-26471 has been scored as a critical severity vulnerability.
How to fix CVE-2023-26471?
To fix CVE-2023-26471, 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-2023-26471 being actively exploited in the wild?
It is possible that CVE-2023-26471 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-26471?
CVE-2023-26471 affects xwiki xwiki-platform.
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