CVE-2023-29211 org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki Eval Injection vulnerability

Critical 10.0 Published Updated

Users with view rights can execute arbitrary code via improper escaping of the wikiId parameter, leading to full system access.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-29211?

CVE-2023-29211 is a critical code injection vulnerability in Xwiki Xwiki, published on 16 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

XWiki Commons are technical libraries common to several other top level XWiki projects. Any user with view rights `WikiManager.DeleteWiki` 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 the `wikiId` url parameter. The problem has been patched on XWiki 13.10.11, 14.4.7, and 14.10.

Weakness: CWE-94, CWE-95

Which versions are affected by CVE-2023-29211?

6 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki. It affects 1 product.

PackageAffectedFixed in
org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki MavenFrom 14.0-rc-114.4.7
org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki MavenFrom 14.0-rc-114.4.7
org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki MavenFrom 14.514.10
org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki MavenFrom 14.514.10
org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki MavenFrom 5.3-milestone-213.10.11
org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki MavenFrom 5.3-milestone-213.10.11

Products include Xwiki Xwiki.

How do I fix CVE-2023-29211?

Upgrade org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki to a fixed version for your release line: 14.4.7, 14.10 or 13.10.11.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-29211 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29211 exists.

All Xwiki Xwiki vulnerabilities

Sources

Also known as GHSA-w7v9-fc49-4qg4.

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