CVE-2021-32621

Name: CVE-2021-32621
Creator: NVD / NIST
Published: 2021-05-28T21:15:08.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.10%

Last modified Jun 17, 2026

CVE-2021-32621 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 2.10% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.10%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Xwiki	Xwiki	>= 3.0.1, < 12.6.7
Xwiki	Xwiki	>= 12.10, < 12.10.3
Xwiki	Xwiki	3.0

References

https://github.com/xwiki/xwiki-platform/commit/bb7068bd911f91e5511f3cfb03276c7ac81100bcPatch, Third Party Advisory
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h353-hc43-95vcThird Party Advisory
https://jay-from-future.github.io/cve/2021/06/17/xwiki-rce-cve.htmlExploit, Third Party Advisory
https://jira.xwiki.org/browse/XWIKI-17794Permissions Required, Vendor Advisory
https://github.com/xwiki/xwiki-platform/commit/bb7068bd911f91e5511f3cfb03276c7ac81100bcPatch, Third Party Advisory
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h353-hc43-95vcThird Party Advisory
https://jay-from-future.github.io/cve/2021/06/17/xwiki-rce-cve.htmlExploit, Third Party Advisory
https://jira.xwiki.org/browse/XWIKI-17794Permissions Required, Vendor Advisory

Timeline

Published: May 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32621?

How severe is CVE-2021-32621?

CVE-2021-32621 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32621?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32621?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST