Headline
CVE-2022-29251: [XWIKI-19294] XSS in the Flamingo theme manager
XWiki Platform Flamingo Theme UI is a tool that allows customization and preview of any Flamingo-based skin. Starting with versions 6.2.4 and 6.3-rc-1, a possible cross-site scripting vector is present in the FlamingoThemesCode.WebHomeSheet wiki page related to the “newThemeName” form field. The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3. The easiest available workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.
Details
Type: Bug
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: 6.3-rc-1, 6.2.4
Documentation in Release Notes:
N/A
Description
Issue Links
is caused by
XWIKI-10845 Provide an UI for managing Flamingo Themes
- Closed
links to
Activity
Related news
### Impact We found a possible XSS vector in the `FlamingoThemesCode.WebHomeSheet` wiki page related to the "newThemeName" form field. ### Patches The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, 13.10.3. ### Workarounds The easiest workaround is to edit the wiki page `FlamingoThemesCode.WebHomeSheet` (with wiki editor) and change the line ``` <input type="hidden" name="newThemeName" id="newThemeName" value="$request.newThemeName" /> ``` into ``` <input type="hidden" name="newThemeName" id="newThemeName" value="$escapetool.xml($request.newThemeName)" /> ``` ### References * https://jira.xwiki.org/browse/XWIKI-19294 * https://github.com/xwiki/xwiki-platform/commit/bd935320bee3c27cf7548351b1d0f935f116d437 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki](https://jira.xwiki.org) * Email us at [security mailing list](mailto:[email protected])