Cross-site Scripting by SVG upload in xwiki-platform
Impact
When using default XWiki configuration, it's possible for an attacker to upload an SVG containing a script executed when executing the download action on the file.
Patches
This problem has been patched so that the default configuration doesn't allow to display the SVG files in the browser.
Workarounds
This issue can be fixed without the patch by setting properly the configuration to download or display files, see: https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload
References
https://jira.xwiki.org/browse/XWIKI-18368
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira
- Email us at security ML
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-oldcore | < 12.10.6, >= 13.0, < 13.3RC1 | 12.10.6, 13.3RC1 |
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-tool-configuration-resources | >= 13.0, < 13.3RC1, < 12.10.6 | 13.3RC1, 12.10.6 |
Referencias
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9jq9-c2cv-pcrj
- https://nvd.nist.gov/vuln/detail/CVE-2021-43841
- https://github.com/xwiki/xwiki-platform/commit/5853d492b3a274db0d94d560e2a5ea988a271c62
- https://github.com/xwiki/xwiki-platform
- https://jira.xwiki.org/browse/XWIKI-18368
- https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N- Debilidad (CWE)
CWE-79- Plataforma
- Java / Kotlin (Maven)
- Paquete
org.xwiki.platform:xwiki-platform-oldcore, org.xwiki.platform:xwiki-platform-tool-configuration-resources- Publicada
- 10.02.2022
- Actualizado
- 11.10.2026 12:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-9jq9-c2cv-pcrj - CC BY 4.0
Historial de vulnerabilidades: org.xwiki.platform:xwiki-platform-tool-configuration-resources
Todas las vulnerabilidades publicadas de este paquete (Java / Kotlin (Maven)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
Esta es la única vulnerabilidad conocida de este paquete.
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