What’s Vulnerable › Vulnerabilities

CVE-2026-23734: XWiki Platform: Path traversal via resources parameter in ssx and jsx endpoints when using leading slash

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 18.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-20 · updated 2026-07-23
• Weakness: CWE-23

Description

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://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false, leading to Path Traversal. The vulnerability is can be exploited via resources parameter the ssx and jsx endpoints by using leading slashes. This issue has been patched in 18.1.0-rc-1, 17.10.3, 17.4.9, 16.10.17.

Affected products

• xwiki-platform: from 4.2-milestone-2, < 16.10.17; from 17.0.0-rc-1, < 17.4.9; from 17.5.0, < 17.10.3; from 18.0.0-rc-1, < 18.1.0-rc-1

References

• https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf
• https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-xq3r-2qv5-vqqm
• https://jira.xwiki.org/browse/XCOMMONS-3547

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