CVE-2023-26472 XWiki Platform vulnerable to privilege escalation via async macro and IconThemeSheet from the user profile

Critical 10.0 Published Updated

Attackers can escalate privileges and execute arbitrary wiki content with IconThemeSheet author rights via the user profile or new pages.

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-2023-26472?

CVE-2023-26472 is a critical vulnerability in Xwiki Xwiki, published on 2 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be done by creating a new page or even through the user profile for users not having edit right. The issue has been patched in XWiki 14.9, 14.4.6, and 13.10.10. An available workaround is to fix the bug in the page `IconThemesCode.IconThemeSheet` by applying a modification from commit 48caf7491595238af2b531026a614221d5d61f38.

Weakness: CWE-116

Which versions are affected by CVE-2023-26472?

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

PackageAffectedFixed in
org.xwiki.platform:xwiki-platform-icon-ui MavenFrom 14.014.4.6
org.xwiki.platform:xwiki-platform-icon-ui MavenFrom 14.014.4.6
org.xwiki.platform:xwiki-platform-icon-ui MavenFrom 14.514.9
org.xwiki.platform:xwiki-platform-icon-ui MavenFrom 14.514.9
org.xwiki.platform:xwiki-platform-icon-ui MavenFrom 6.2-milestone-113.10.10
org.xwiki.platform:xwiki-platform-icon-ui MavenFrom 6.2-milestone-113.10.10

Products include Xwiki Xwiki.

How do I fix CVE-2023-26472?

Upgrade org.xwiki.platform:xwiki-platform-icon-ui to a fixed version for your release line: 14.4.6, 14.9 or 13.10.10.

Is CVE-2023-26472 being exploited?

There is no known exploitation of CVE-2023-26472 in the wild and no public exploit code.

All Xwiki Xwiki vulnerabilities

Sources

Also known as GHSA-vwr6-qp4q-2wj7.

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