CVE-2021-32621
Script injection without script or programming rights through Gadget titles
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
Script injection without script or programming rights through Gadget titles
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.
- Record
CVE-2021-32621- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2021-1090
8.8
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.
- Record
EUVD-2021-1090- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h353-hc43-95vc
8.8
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
- Record
GHSA-h353-hc43-95vc- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
8.8
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.
- Record
CVE-2021-32621- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
8.8
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.
- Record
CVE-2021-32621- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-h353-hc43-95vc
8.8
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
- Record
GHSA-h353-hc43-95vc- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.xwiki.commons:xwiki-commons-coreMaven |
before 12.6.7 | 12.6.7 |
org.xwiki.commons:xwiki-commons-coreMaven |
12.10.0 up to 12.10.3 | 12.10.3 |
org.xwiki.commons:xwiki-commons-coreMaven |
before 12.6.7, plus listed versions 10.010.110.1-rc-110.1010.10-rc-1 Show 45 moreShow less10.1110.11-rc-110.11.110.11.1010.11.1110.11.210.11.310.11.410.11.510.11.610.11.710.11.810.11.910.210.310.410.4-rc-110.510.5-rc-110.610.6-rc-110.6.110.710.7-rc-110.7.110.810.8-rc-110.8.110.8.210.8.310.911.011.0.111.0.211.0.311.111.1-rc-111.1011.10.111.10.1011.10.1111.10.1211.10.1311.10.211.10.3 |
12.6.7 |
org.xwiki.commons:xwiki-commons-coreMaven |
12.10.0 up to 12.10.3, plus listed versions 12.1012.10.112.10.2 |
12.10.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32621 is a high vulnerability (CVSS 8.8) in Xwiki, published May 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. Fixed in org.xwiki.commons:xwiki-commons-core 12.6.7.
References
github.com/xwiki/xwiki-platform/security/advisories/GHSA-h353-hc43-95vc
jira.xwiki.org/browse/XWIKI-17794
github.com/xwiki/xwiki-platform/commit/bb7068bd911f91e5511f3cfb03276c7ac81100bc
jay-from-future.github.io/cve/2021/06/17/xwiki-rce-cve.html
nvd.nist.gov/vuln/detail/CVE-2021-32621
github.com/advisories/GHSA-h353-hc43-95vc
github.com/xwiki/xwiki-platform
Left out here: 262 versions. The JSON record has them.