CVE-2021-32621 : XWiki Platform is a generic wiki platform offering runtime services for applicat

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.

Published 2021-05-28 21:15:09

Updated 2023-09-29 11:39:46

Source GitHub, Inc.

View at NVD, CVE.org

Products affected by CVE-2021-32621

Xwiki » Xwiki
Versions from including (>=) 12.10 and before (<) 12.10.3
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
Matching versions
Xwiki » Xwiki
Versions from including (>=) 3.0.1 and before (<) 12.6.7
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
Matching versions
Xwiki » Xwiki » Version: 3.0
cpe:2.3:a:xwiki:xwiki:3.0:-:*:*:*:*:*:*
Matching versions
Xwiki » Xwiki » Version: 3.0 Update RC1
cpe:2.3:a:xwiki:xwiki:3.0:rc1:*:*:*:*:*:*
Matching versions
Xwiki » Xwiki » Version: 3.0 Update Milestone3
cpe:2.3:a:xwiki:xwiki:3.0:milestone3:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-32621

EPSS FAQ

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
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
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
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
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.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-32621

CWE-94 Improper Control of Generation of Code ('Code Injection')

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 · GitHub
Patch;Third Party Advisory
https://jira.xwiki.org/browse/XWIKI-17794

Log in - XWiki.org JIRA
Permissions 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 · GitHub
Third Party Advisory

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Vulnerability Details : CVE-2021-32621

Products affected by CVE-2021-32621

Exploit prediction scoring system (EPSS) score for CVE-2021-32621

CVSS scores for CVE-2021-32621

CWE ids for CVE-2021-32621

References for CVE-2021-32621