Critical severity · published May 20, 2026
CVE-2026-23734
XWiki Platform: Path traversal via resources parameter in ssx and jsx endpoints when using leading slash
9.3
CVSS
18.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)18.5% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XW
xwiki-commons · xwiki
>= 4.2-milestone-2, < 16.10.17; >= 17.0.0-rc-1, < 17.4.9; >= 17.5.0, < 17.10.3; >= 18.0.0-rc-1, < 18.1.0-rc-1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23734
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-23734
github.com
https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf
github.com
https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-xq3r-2qv5-vqqm
jira.xwiki.org
https://jira.xwiki.org/browse/XCOMMONS-3547