CVE-2024-43400: XWiki Platform allows XSS through XClass name in string properties
First published: Mon Aug 19 2024(Updated: )
### Impact Is it possible for a user without Script or Programming rights to craft a URL pointing to a page with arbitrary JavaScript. This requires social engineer to trick a user to follow the URL. #### Reproduction steps 1. As a user without script or programming right, create a (non-terminal) document named `" + alert(1) + "` (the quotes need to be part of the name). 1. Edit the class. 1. Add a string property named `"test"`. 1. Edit using the object editor and add an object of the created class 1. Get an admin to open `<xwiki-server>/xwiki/bin/view/%22%20%2B%20alert(1)%20%2B%20%22/?viewer=display&type=object&property=%22%20%2B%20alert(1)%20%2B%20%22.WebHome.test&mode=edit` where `<xwiki-server>` is the URL of your XWiki installation. ### Patches This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0. ### Workarounds We're not aware of any workaround except upgrading. ### References - https://jira.xwiki.org/browse/XWIKI-21810 - https://github.com/xwiki/xwiki-platform/commit/27eca8423fc1ad177518077a733076821268509c
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.xwiki.platform:xwiki-platform-oldcore | =16.0.0-rc-1 | 16.0.0 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=15.6-rc-1<15.10.6 | 15.10.6 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=15.0-rc-1<15.5.5 | 15.5.5 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=1.1.2<14.10.21 | 14.10.21 |
| Xwiki Xwiki | <14.10.21 | |
| Xwiki Xwiki | >=15.0<15.5.5 | |
| Xwiki Xwiki | >=15.6<15.10.6 |
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Reference Links
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-wcg9-pgqv-xm5v
- https://github.com/xwiki/xwiki-platform/commit/27eca8423fc1ad177518077a733076821268509c
- https://jira.xwiki.org/browse/XWIKI-21810
- https://nvd.nist.gov/vuln/detail/CVE-2024-43400
- https://github.com/advisories/GHSA-wcg9-pgqv-xm5v (Advisory)
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