Vulnerability Details : CVE-2021-32621
Potential exploit
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.
Products affected by CVE-2021-32621
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:3.0:-:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:3.0:milestone3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32621
0.69%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32621
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
GitHub, Inc. |
CWE ids for CVE-2021-32621
-
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-32621
-
https://jay-from-future.github.io/cve/2021/06/17/xwiki-rce-cve.html
XWiki Platform RCE via gadget titles in the dashboard (CVE-2021-32621) | Jay From Future’s Blog (but not about future or futures)Exploit;Third Party Advisory
-
https://github.com/xwiki/xwiki-platform/commit/bb7068bd911f91e5511f3cfb03276c7ac81100bc
XWIKI-17794: Properly interpret velocity in gadget titles · xwiki/xwiki-platform@bb7068b · GitHubPatch;Third Party Advisory
-
https://jira.xwiki.org/browse/XWIKI-17794
Log in - XWiki.org JIRAPermissions Required;Vendor Advisory
-
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h353-hc43-95vc
Script injection without script or programming rights through Gadget titles · Advisory · xwiki/xwiki-platform · GitHubThird Party Advisory
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