CVE-2021-32621: Script injection without script or programming rights through Gadget titles
Impact A user without Script or Programming right is able to execute script requiring privileges by editing gadget titles in the dashboard.
Patches The issue has been patched in XWiki 12.6.7, 12.10.3 and 13.0RC1.
Workarounds There's no easy workaround for this issue, it is recommended to upgrade XWiki.
References https://jira.xwiki.org/browse/XWIKI-17794
For more information If you have any questions or comments about this advisory: Open an issue in JIRA Email us at XWiki security mailing-list
Other sources
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 12.6.7 and 12.10.3, a user without Script or Programming right is able to execute script requiring privileges by editing gadget titles in the dashboard. The issue has been patched in XWiki 12.6.7, 12.10.3 and 13.0RC1.
— MITRE
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2021-32621?
CVE-2021-32621 has been classified with a medium severity level due to its ability to allow unauthorized privilege escalation.
How do I fix CVE-2021-32621?
To fix CVE-2021-32621, upgrade to XWiki versions 12.6.7, 12.10.3, or 13.0RC1.
Which versions of XWiki are affected by CVE-2021-32621?
CVE-2021-32621 affects XWiki versions from 3.0 up to and including 12.10.2.
Can I apply a workaround for CVE-2021-32621?
There is no effective workaround for CVE-2021-32621, so updating to a patched version is necessary.
What type of vulnerability is CVE-2021-32621?
CVE-2021-32621 is a privilege escalation vulnerability that allows unauthorized script execution by editing dashboard gadget titles.