CVE-2023-35162 – org.xwiki.platform:xwiki-platform-flamingo-skin-resources

Package

Manager: maven
Name: org.xwiki.platform:xwiki-platform-flamingo-skin-resources
Vulnerable Version: >=6.1-rc-1 <14.10.5 || >=15.0-rc-1 <15.1-rc-1

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 0.03375 pctl0.86895

Details

XWiki Platform vulnerable to cross-site scripting via xcontinue parameter in previewactions template ### Impact Users are able to forge an URL with a payload allowing to inject Javascript in the page (XSS). It's possible to exploit the previewactions template to perform a XSS, e.g. by using URL such as: > <hostname>/xwiki/bin/get/FlamingoThemes/Cerulean?xpage=xpart&vm=previewactions.vm&xcontinue=javascript:alert(document.domain) This vulnerability exists since XWiki 6.1-rc-1. ### Patches The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1. ### Workarounds It's possible to workaround the vulnerability by editing the template previewactions.vm to perform checks on it, but note that the appropriate fix involves new APIs that have been recently introduced in XWiki. See the referenced jira tickets. ### References * Jira ticket about the vulnerability: https://jira.xwiki.org/browse/XWIKI-20342 * Introduction of the macro used for fixing this type of vulnerability: https://jira.xwiki.org/browse/XWIKI-20583 * Commit containing the actual fix in the template: https://github.com/xwiki/xwiki-platform/commit/9f01166b1a8ee9639666099eb5040302df067e4d ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org) ### Attribution This vulnerability has been reported by René de Sain @renniepak.

Metadata

Created: 2023-06-20T17:42:16Z
Modified: 2023-06-30T20:28:38Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/06/GHSA-q9hg-9qj2-mxf9/GHSA-q9hg-9qj2-mxf9.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-q9hg-9qj2-mxf9
Finding: F008
Auto approve: 1