CVE-2022-29252

XWiki Platform Wiki UI Main Wiki is a package for managing subwikis. Starting with version 5.3-milestone-2, XWiki Platform Wiki UI Main Wiki contains a possible cross-site scripting vector in the `WikiManager.JoinWiki ` wiki page related to the "requestJoin" 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 `WikiManager.JoinWiki` (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

XWiki Platform Wiki UI Main Wiki is a package for managing subwikis. Starting with version 5.3-milestone-2, XWiki Platform Wiki UI Main Wiki contains a possible cross-site scripting vector in the `WikiManager.JoinWiki ` wiki page related to the "requestJoin" 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 `WikiManager.JoinWiki` (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

### Impact We found a possible XSS vector in the `WikiManager.JoinWiki ` wiki page related to the "requestJoin" 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 `WikiManager.JoinWiki` (with wiki editor) and change the line ``` <input type='hidden' name='requestJoin' value="$!request.requestJoin"/> ``` into ``` <input type='hidden' name='requestJoin' value="$escapetool.xml($!request.requestJoin)"> ``` ### References * https://jira.xwiki.org/browse/XWIKI-19292 * https://github.com/xwiki/xwiki-platform/commit/27f839133d41877e538d35fa88274b50a1c00b9b ### 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:security@xwiki.org)

### Impact We found a possible XSS vector in the `WikiManager.JoinWiki ` wiki page related to the "requestJoin" 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 `WikiManager.JoinWiki` (with wiki editor) and change the line ``` <input type='hidden' name='requestJoin' value="$!request.requestJoin"/> ``` into ``` <input type='hidden' name='requestJoin' value="$escapetool.xml($!request.requestJoin)"> ``` ### References * https://jira.xwiki.org/browse/XWIKI-19292 * https://github.com/xwiki/xwiki-platform/commit/27f839133d41877e538d35fa88274b50a1c00b9b ### 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:security@xwiki.org)

XWiki Platform Wiki UI Main Wiki es un paquete para administrar subwikis. A partir de la versión 5.3-milestone-2, XWiki Platform Wiki UI Main Wiki contiene un posible vector de tipo cross-site scripting en la página wiki "WikiManager.JoinWiki" relacionada con el campo "requestJoin". El problema está parcheado en versiones 12.10.11, 14.0-rc-1, 13.4.7 y 13.10.3. La mitigación más fácil disponible es editar la página wiki "WikiManager.JoinWiki" (con el editor wiki) de acuerdo con la sugerencia proporcionada en el aviso de seguridad de GitHub