Improper access control in XWiki platform - CVE-2021-32620
Published: May 18, 2021 / Updated: May 5, 2026
Vulnerability identifier: #VU130042
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-32620
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
XWiki platform
XWiki platform
Software vendor:
XWiki
XWiki
Description
The vulnerability allows a remote user to reactivate a disabled account.
The vulnerability exists due to improper access control in the account activation mechanism when using the registration activation link after the account has been disabled. A remote user can use a previously issued activation link to reactivate a disabled account.
Only users registered with email verification are affected.
Remediation
Install security update from vendor's website.