XWiki Platform vulnerable to stored cross-site scripting in ClassEditSheet page via name parameters

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

9.0 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS

• CVE-2023-35153: 0.74% estimated exploitation activity in the next 30 days; percentile 54.79 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Impact A stored XSS can be exploited by users with edit rights by adding a AppWithinMinutes.FormFieldCategoryClass class on a page and setting the payload on the page title. Then, any user visiting /xwiki/bin/view/AppWithinMinutes/ClassEditSheet executes the payload. See https://jira.xwiki.org/browse/XWIKI-20365 for me details. Patches The issue has been patched on XWiki 14.4.8, 14.10.4, and 15.0 ? Workarounds The issue can be fixed by updating AppWithinMinutes.ClassEditSheet with this patch. References - https://github.com/xwiki/xwiki-platform/commit/1b87fec1e5b5ec00b7a8c3c3f94f6c5e22547392#diff-79e725ec7125cced7d302e1a1f955a76745af26ef28a148981b810e85335d302 - https://jira.xwiki.org/browse/XWIKI-20365 For more information If you have any questions or comments about this advisory: Open an issue in Jira XWiki.org Email us at Security Mailing List Attribution This vulnerability has been reported on Intigriti by René de Sain @renniepak.

Published by the source

20 Jun 2023, 16:47 UTC

Last modified by the source

4 Nov 2023, 05:01 UTC

Source last checked

26 Oct 2026, 16:16 UTC

1. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-4wc6-hqv9-qc97

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# Patch Next advisory brief: CVE-2023-35153

Advisory: XWiki Platform vulnerable to stored cross-site scripting in ClassEditSheet page via name parameters
IDs: CVE-2023-35153, GHSA-4wc6-hqv9-qc97
Record: https://patchnext.com/advisories/cve-2023-35153 (revision 1, source checked 26 Oct 2026, 16:16 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.0)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.xwiki.platform:xwiki-platform-appwithinminutes-ui 15.0, 14.10.4, 14.4.8. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.xwiki.platform:xwiki-platform-appwithinminutes-ui: affected >= 5.4.4, < 14.4.8; >= 14.5, < 14.10.4; >= 15.0-rc-1, < 15.0; fixed in 14.10.4, 15.0, 14.4.8

## Suggested inspection (read-only)
- Maven org.xwiki.platform:xwiki-platform-appwithinminutes-ui: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.xwiki.platform:xwiki-platform-appwithinminutes-ui.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-4wc6-hqv9-qc97 (GitHub-reviewed advisory GHSA-4wc6-hqv9-qc97 lists affected ranges: Maven org.xwiki.platform:xwiki-platform-appwithinminutes-ui >=5.4.4 =14.5 =15.0-rc-1 <15.0)

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