CVE-2023-29518

Public Exploit
Code injection from view right using Invitation.InvitationCommon 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 `Invitation.InvitationCommon`. This page is installed by default. The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. Users are advised to upgrade. There are no known workarounds for this issue.

Category

9.9
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 2.15% 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-px54-3w5j-qjg9 patch vendor advisory exploit
https://github.com/xwiki/xwiki-platform/commit/3d055a0a5ec42fdebce4d71ee98f94553fdbfebf patch
https://jira.xwiki.org/browse/XWIKI-20283 patch exploit vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-29518?
CVE-2023-29518 has been scored as a critical severity vulnerability.
How to fix CVE-2023-29518?
To fix CVE-2023-29518, 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-2023-29518 being actively exploited in the wild?
It is possible that CVE-2023-29518 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-2023-29518?
CVE-2023-29518 affects xwiki xwiki-platform.
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