CVE-2023-32070 Improper Neutralization of Script in Attributes in XWiki (X)HTML renderers
Attackers can execute arbitrary scripts in XWiki via malicious attributes, potentially leading to session hijacking or data theft.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-32070?
CVE-2023-32070 is a critical cross-site scripting vulnerability in Xwiki Xwiki, published on 10 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
XWiki Platform is a generic wiki platform. Prior to version 14.6-rc-1, HTML rendering didn't check for dangerous attributes/attribute values. This allowed cross-site scripting (XSS) attacks via attributes and link URLs, e.g., supported in XWiki syntax. This has been patched in XWiki 14.6-rc-1. There are no known workarounds apart from upgrading to a fixed version.
Which versions are affected by CVE-2023-32070?
14 open source packages ship an affected version, including org.xwiki.platform:xwiki-core-rendering-api, org.xwiki.platform:xwiki-platform-annotation-core and org.xwiki.rendering:xwiki-rendering-syntax-annotatedhtml5. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
org.xwiki.platform:xwiki-core-rendering-api Maven | All versions to 3.0-milestone-2 | None |
org.xwiki.platform:xwiki-core-rendering-api Maven | All versions to 3.0-milestone-2 | None |
org.xwiki.platform:xwiki-platform-annotation-core Maven | All versions | 14.6-rc-1 |
org.xwiki.platform:xwiki-platform-annotation-core Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-annotatedhtml5 Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-annotatedhtml5 Maven | All versions | 14.6-rc-1 |
8 more packages
org.xwiki.rendering:xwiki-rendering-syntax-annotatedxhtml Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-annotatedxhtml Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-html Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-html Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-html5 Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-html5 Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-xhtml Maven | All versions | 14.6-rc-1 |
org.xwiki.rendering:xwiki-rendering-syntax-xhtml Maven | All versions | 14.6-rc-1 |
Products include Xwiki Rendering, Xwiki Xwiki.
How do I fix CVE-2023-32070?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-32070 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-32070 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-6gf5-c898-7rxp.