CVE-2023-35159: XWiki Platform vulnerable to reflected cross-site scripting via xredirect parameter in deletespace 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 deletespace template to perform a XSS, e.g. by using URL such as:
xwiki/bin/deletespace/Sandbox/?xredirect=javascript:alert(document.domain)
This vulnerability exists since XWiki 3.4-milestone-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 deletespace.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-20612 Introduction of the macro used for fixing all those vulnerabilities: https://jira.xwiki.org/browse/XWIKI-20583 Commit containing the actual fix in the template: https://github.com/xwiki/xwiki-platform/commit/5c20ff5e3bdea50f1053fe99a27e011b8d0e4b34
For more information
If you have any questions or comments about this advisory: Open an issue in Jira XWiki.org Email us at Security Mailing List
Other sources
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 deletespace template to perform a XSS, e.g. by using URL such as: > xwiki/bin/deletespace/Sandbox/?xredirect=javascript:alert(document.domain). This vulnerability exists since XWiki 3.4-milestone-1. The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1.
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
maven/org.xwiki.platform:xwiki-platform-web-templatesto a version that resolves this vulnerability.Fixed in 15.1-rc-1 - Upgrade
Upgrade
maven/org.xwiki.platform:xwiki-platform-web-templatesto a version that resolves this vulnerability.Fixed in 14.10.5 - Upgrade
Upgrade
XWiki Platformto a version that resolves this vulnerability.Fixed in 14.10.5 - Upgrade
Upgrade
XWiki Platformto a version that resolves this vulnerability.Fixed in 15.1-rc-1 - Configuration
Workaround: edit the deletespace template file deletespace.vm to perform checks on the xredirect parameter before using it (to prevent xredirect=javascript:... XSS).
XWiki deletespace template (deletespace.vm) xredirect handling = (instruction-based)
Event History
Frequently Asked Questions
What is CVE-2023-35159?
CVE-2023-35159 is a vulnerability in XWiki Platform that allows users to inject Javascript in the page, leading to XSS (Cross-Site Scripting) attacks.
What is the severity of CVE-2023-35159?
CVE-2023-35159 has a severity rating of 6.1, which is considered critical.
How can I exploit CVE-2023-35159?
To exploit CVE-2023-35159, you can forge an URL with a payload to inject Javascript in the page.
What software versions are affected by CVE-2023-35159?
CVE-2023-35159 affects XWiki versions between 3.5 and 14.10.5, as well as versions 3.4-milestone-1, 3.5-rc-1, and 15.0.
How can I fix CVE-2023-35159?
To fix CVE-2023-35159, it is recommended to update XWiki to a version that is not affected by the vulnerability.