CVE-2021-32620 Users registered with email verification can self re-activate their disabled accounts
Disabled users can reactivate their accounts via registration links in XWiki when email verification is enabled, bypassing administrative deactivation controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-32620?
CVE-2021-32620 is a high-severity authentication bypass vulnerability in Xwiki Xwiki, published on 28 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 11.10.13, 12.6.7, and 12.10.2, a user disabled on a wiki using email verification for registration canouldre-activate themself by using the activation link provided for his registration. The problem has been patched in the following versions of XWiki: 11.10.13, 12.6.7, 12.10.2, 13.0. It is possible to workaround the issue by resetting the `validkey` property of the disabled XWiki users. This can be done by editing the user profile with object editor.
Which versions are affected by CVE-2021-32620?
6 open source packages ship an affected version, including org.xwiki.commons:xwiki-commons-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.xwiki.commons:xwiki-commons-core Maven | From 11.6 | 11.10.13 |
org.xwiki.commons:xwiki-commons-core Maven | From 11.6 | 11.10.13 |
org.xwiki.commons:xwiki-commons-core Maven | From 12.0 | 12.6.7 |
org.xwiki.commons:xwiki-commons-core Maven | From 12.0 | 12.6.7 |
org.xwiki.commons:xwiki-commons-core Maven | From 12.10.0 | 12.10.2 |
org.xwiki.commons:xwiki-commons-core Maven | From 12.10.0 | 12.10.2 |
Products include Xwiki Xwiki.
How do I fix CVE-2021-32620?
Upgrade org.xwiki.commons:xwiki-commons-core to a fixed version for your release line: 11.10.13, 12.6.7 or 12.10.2.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-32620 being exploited?
There is no known exploitation of CVE-2021-32620 in the wild and no public exploit code.
Other vulnerabilities in Xwiki Xwiki
- CVE-2025-24893 XWiki Platform Eval Injection
- CVE-2025-53836 XWiki Rendering is vulnerable to RCE attacks when processing nested macros
- CVE-2024-55662 XWiki allows remote code execution through the extension sheet
- CVE-2024-55877 XWiki allows remote code execution from account through macro descriptions and XWiki.XWikiSyntaxMacrosList
- CVE-2024-37901 XWiki Platform vulnerable to remote code execution from account via SearchSuggestConfigSheet
Sources
Also known as GHSA-76mp-659p-rw65.