XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash
### Impact It's possible to get access and read configuration files by using URLs such as `http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false`. This can apparently be reproduced on Tomcat instances. ### Patches This has been patched in 18.0.0-rc-1, 17.10.3, 17.4.9, 16.10.17. ### Workarounds There is no known workaround, other than upgrading XWiki. ### References * https://jira.xwiki.org/browse/XCOMMONS-3547 * https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf ### 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) ### Attribution The vulnerability was reported by Michał Kołek.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-23734US | — | — | ||
XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localh… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/xwiki/xwiki-commonsPACKAGE
- https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bfWEB
- https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-xq3r-2qv5-vqqmWEB
- https://jira.xwiki.org/browse/XCOMMONS-3547WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-23734ADVISORY
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