CVE-2022-36096

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 https://github.com/xwiki/xwiki-platform/commit/6705b0cd0289d1c90ed354bd4ecc1508c4b25745. ### References * https://jira.xwiki.org/browse/XWIKI-19613 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

How to fix CVE-2022-36096

To remediate CVE-2022-36096, upgrade the affected package to a fixed version below.

• —upgrade to 13.10.6 or later

Is CVE-2022-36096 being exploited?

Likely — EPSS is 59.5%, placing CVE-2022-36096 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.

Affected packages (1)

• >= 2.2-milestone-1, < 13.10.6

CVSS scores

References (5)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2022-36096
• PATCHgithub.com/xwiki/xwiki-platform
• WEBgithub.com/xwiki/xwiki-platform/commit/6705b0cd0289d1c90ed354bd4ecc1508c4b25745
• WEBgithub.com/xwiki/xwiki-platform/security/advisories/GHSA-gjmq-x5x7-wc36