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HIGH severity

Cross-site Scripting in Filter Stream Converter Application in XWiki PlatformGHSA-xjfw-5vv5-vjq2

HIGHFix: xwiki/xwiki-platform@21906ac

GHSA-xjfw-5vv5-vjq2 is a high-severity (CVSS 7.4) CWE-80 vulnerability in org.xwiki.platform:xwiki-platform-filter-ui. A fix is available for org.xwiki.platform:xwiki-platform-filter-ui — see the affected versions and patch details below.

Also known asCVE-2022-29258
Published
Updated
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-xjfw-5vv5-vjq2.

EPSS Exploitation Probability

via FIRST.org ↗
1.0%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs63th percentile — riskier than 63% of all scored CVEsHighest risk
0.33%0.72%1.11%1.51%0.8%1.0%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

3 pkgs affected
☕org.xwiki.platform:xwiki-platform-filter-ui☕org.xwiki.platform:xwiki-platform-filter-ui☕org.xwiki.platform:xwiki-platform-filter-ui

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Impact

We found a possible XSS vector in the Filter.FilterStreamDescriptorForm wiki page related to pretty much all the form fields printed in the home page of the application.

Patches

The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, 13.10.3.

Workarounds

The easiest workaround is to edit the wiki page Filter.FilterStreamDescriptorForm (with wiki editor) and change the lines

          <input type="text" id="$descriptorId" name="$descriptorId" value="#if($request.get($descriptorId))$request.get($descriptorId)#else$descriptor.defaultValue#end"/>
        #else
          <input type="text" id="$descriptorId" name="$descriptorId"#if($request.get($descriptorId))value="$request.get($descriptorId)"#end/>

into

          <input type="text" id="$descriptorId" name="$descriptorId" value="#if($request.get($descriptorId))$escapetool.xml($request.get($descriptorId))#else$descriptor.defaultValue#end"/>
        #else
          <input type="text" id="$descriptorId" name="$descriptorId"#if($request.get($descriptorId))value="$escapetool.xml($request.get($descriptorId))"#end/>

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.xwiki.platform:xwiki-platform-filter-ui≥ 5.4.4&&< 12.10.1112.10.11org.xwiki.platform:xwiki-platform-filter-ui:12.10.11
☕Mavenorg.xwiki.platform:xwiki-platform-filter-ui≥ 13.0.0&&< 13.4.713.4.7org.xwiki.platform:xwiki-platform-filter-ui:13.4.7
☕Mavenorg.xwiki.platform:xwiki-platform-filter-ui≥ 13.5.0&&< 13.10.313.10.3org.xwiki.platform:xwiki-platform-filter-ui:13.10.3

Affected Products

1 product · 3 configurations
Application
xwikixwiki
≥ 13.5 && < 13.10.3
range

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.xwiki.platform:xwiki-platform-filter-ui, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.xwiki.platform:xwiki-platform-filter-ui to 12.10.11 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xjfw-5vv5-vjq2 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

### Impact We found a possible XSS vector in the `Filter.FilterStreamDescriptorForm` wiki page related to pretty much all the form fields printed in the home page of the application. ### Patches The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, 13.10.3. ### Workarounds The easiest workaround is to edit the wiki page `Filter.FilterStreamDescriptorForm` (with wiki editor) and change the lines ``` <input type="text" id="$descriptorId" name="$descriptorId" value="#if($request.get($descriptorId))$request.get($descriptorId)#else$descriptor.defaultValue#end"/> #else
O3 Security · Impact-Aware SCA

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Cross-site Scripting in Filter Stream Converter Application…