CVE-2023-35162

XPlatform Wiki vulnerable to cross-site scripting via xcontinue parameter in preview actions template

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. 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. The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1.

Category

9.6
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 3.38% Top 15%
Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory xwiki.org Vendor Advisory xwiki.org
Affected: xwiki xwiki-platform
Published at:
Updated at:

References

Link Tags
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-q9hg-9qj2-mxf9 vendor advisory
https://github.com/xwiki/xwiki-platform/commit/9f01166b1a8ee9639666099eb5040302df067e4d patch vendor advisory technical description
https://jira.xwiki.org/browse/XWIKI-20342 vendor advisory issue tracking permissions required
https://jira.xwiki.org/browse/XWIKI-20583 patch vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-35162?
CVE-2023-35162 has been scored as a critical severity vulnerability.
How to fix CVE-2023-35162?
To fix CVE-2023-35162, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-35162 being actively exploited in the wild?
It is possible that CVE-2023-35162 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-35162?
CVE-2023-35162 affects xwiki xwiki-platform.
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