CVE-2023-29518: Code injection from view right using Invitation.InvitationCommon in xwiki-platform
Impact 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.
See https://jira.xwiki.org/browse/XWIKI-20283 for the reproduction steps.
Patches The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11.
Workarounds The issue can be fixed by applying this patch on Invitation.InvitationCommon.
References - https://github.com/xwiki/xwiki-platform/commit/3d055a0a5ec42fdebce4d71ee98f94553fdbfebf - https://jira.xwiki.org/browse/XWIKI-20283
For more information
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Other sources
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.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2023-29518?
CVE-2023-29518 is a vulnerability in XWiki Platform that allows any user with view rights to execute arbitrary code, leading to full access to the XWiki installation.
How severe is CVE-2023-29518?
CVE-2023-29518 has a severity rating of 8.8 out of 10, indicating a critical vulnerability.
How does CVE-2023-29518 affect XWiki?
CVE-2023-29518 affects XWiki versions up to 13.10.11, versions between 14.0 and 14.4.8, and versions between 14.5 and 14.10.1.
What is the root cause of CVE-2023-29518?
The root cause of CVE-2023-29518 is the improper escaping of `Invitation.InviteParameters` in XWiki.
How can I fix CVE-2023-29518?
To fix CVE-2023-29518, it is recommended to upgrade to a version of XWiki that includes the fix mentioned in the references.