CVE-2023-26055 XWiki Commons may allow privilege escalation to programming rights via user's first name

What is CVE-2023-26055?

CVE-2023-26055 is a critical code injection vulnerability in xwiki-commons, published on 2 Mar 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. Starting in version 3.1-milestone-1, any user can edit their own profile and inject code, which is going to be executed with programming right. The same vulnerability can also be exploited in all other places where short text properties are displayed, e.g., in apps created using Apps Within Minutes that use a short text field. The problem has been patched on versions 13.10.9, 14.4.4, 14.7RC1.

Weakness: CWE-150

Which versions are affected by CVE-2023-26055?

6 open source packages ship an affected version, including org.xwiki.commons:xwiki-commons-xml. It affects 1 product.

Products include Xwiki Commons.

How do I fix CVE-2023-26055?

Upgrade org.xwiki.commons:xwiki-commons-xml to a fixed version for your release line: 14.4.4, 14.7-rc-1 or 13.10.9.

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

Is CVE-2023-26055 being exploited?

There is no known exploitation of CVE-2023-26055 in the wild and no public exploit code.

Other vulnerabilities in xwiki-commons

• CVE-2023-36471 HTML sanitizer allows form elements in restricted in org.xwiki.commons:xwiki-commons-xml Critical 9.1
• CVE-2023-29528 Cross-site Scripting in org.xwiki.commons:xwiki-commons-xml Critical 9.1
• CVE-2022-24898 Arbitrary file access through XML parsing in org.xwiki.commons:xwiki-commons-xml Medium 4.9

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8cw6-4r32-6r3h.