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Critical, CVSS 9.4

In XWiki Platform, payloads stored in content is executed when a user with script/programming right edit them

CVE-2024-43401GHSA-f963-4cq8-2gw7

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.xwiki.platform:xwiki-platform-web-templates 15.10-rc-1), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
9.4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H · score source
EPSS
  • CVE-2024-43401: 0.68% estimated exploitation activity in the next 30 days; percentile 52.34 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Impact A user without script/programming right can trick a user with elevated rights to edit a content with a malicious payload using a WYSIWYG editor. The user with elevated rights is not warned beforehand that they are going to edit possibly dangerous content. The payload is executed at edit time. Patches This vulnerability has been patched in XWiki 15.10RC1. Workarounds No workaround. It is advised to upgrade to XWiki 15.10+. References https://jira.xwiki.org/browse/XWIKI-20331 https://jira.xwiki.org/browse/XWIKI-21311 https://jira.xwiki.org/browse/XWIKI-21481 https://jira.xwiki.org/browse/XWIKI-21482 https://jira.xwiki.org/browse/XWIKI-21483 https://jira.xwiki.org/browse/XWIKI-21484 https://jira.xwiki.org/browse/XWIKI-21485 https://jira.xwiki.org/browse/XWIKI-21486 https://jira.xwiki.org/browse/XWIKI-21487 https://jira.xwiki.org/browse/XWIKI-21488 https://jira.xwiki.org/browse/XWIKI-21489 https://jira.xwiki.org/browse/XWIKI-21490 For more information If you have any questions or…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-f963-4cq8-2gw7

Agent brief

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# Patch Next advisory brief: CVE-2024-43401

Advisory: In XWiki Platform, payloads stored in content is executed when a user with script/programming right edit them
IDs: CVE-2024-43401, GHSA-f963-4cq8-2gw7
Record: https://patchnext.com/advisories/cve-2024-43401 (revision 1, source checked 26 Oct 2026, 16:30 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.4)
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-web-templates 15.10-rc-1. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.xwiki.platform:xwiki-platform-web-templates: affected < 15.10-rc-1; fixed in 15.10-rc-1

## Suggested inspection (read-only)
- Maven org.xwiki.platform:xwiki-platform-web-templates: 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-web-templates.
- 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-f963-4cq8-2gw7 (GitHub-reviewed advisory GHSA-f963-4cq8-2gw7 lists affected ranges: Maven org.xwiki.platform:xwiki-platform-web-templates >=0 <15.10-rc-1)

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