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XSS in the deleted attachments list

High
surli published GHSA-gjmq-x5x7-wc36 Sep 8, 2022

Package

maven org.xwiki.platform:xwiki-platform-index-ui (Maven)

Affected versions

>= 2.2-milestone-1

Patched versions

14.3, 13.10.6

Description

Impact

It's possible to store a JavaScript which will be executed by anyone viewing the deleted attachments index with an attachment containing javascript in its name.

For example, attachment a file with name ><img src=1 onerror=alert(1)>.jpg will execute the alert.

Patches

This issue has been patched in XWiki 13.10.6 and 14.3.

Workarounds

It is possible to modify fix the vulnerability by editing the wiki page XWiki.DeletedAttachments with the object editor, open the JavaScriptExtension object and apply on the content the changes that can be found on the commit 6705b0c.

References

For more information

If you have any questions or comments about this advisory:

Severity

High
8.9
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

CVE ID

CVE-2022-36096

Weaknesses