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

Quick assessment

Affected
xwiki xwiki-commons
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

XWiki Platform是XWiki开源的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform 18.1.0-rc-1之前版本、17.10.3之前版本、17.4.9之前版本和16.10.17之前版本存在安全漏洞，该漏洞源于ssx和jsx端点中resources参数处理不当，可能导致通过路径遍历读取配置文件。

AI Predicted 6.5 Difficulty: Easy EPSS 19.56% · P97

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 4

VendorProduct Version RangeStatus
xwiki xwiki-commons >= 4.2-milestone-2, < 16.10.17 affected
>= 17.0.0-rc-1, < 17.4.9 affected
>= 17.5.0, < 17.10.3 affected
>= 18.0.0-rc-1, < 18.1.0-rc-1 affected
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I. Basic Information for CVE-2026-23734

Vulnerability Information
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Vulnerability Title
XWiki Platform: Path traversal via resources parameter in ssx and jsx endpoints when using leading slash
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
XWiki Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XWiki Platform是XWiki开源的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform 18.1.0-rc-1之前版本、17.10.3之前版本、17.4.9之前版本和16.10.17之前版本存在安全漏洞，该漏洞源于ssx和jsx端点中resources参数处理不当，可能导致通过路径遍历读取配置文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
xwiki xwiki-commons >= 4.2-milestone-2, < 16.10.17 -

II. Public POCs for CVE-2026-23734

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III. Intelligence Information for CVE-2026-23734

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Patches & Fixes for CVE-2026-23734 (1)

Vendor Advisories for CVE-2026-23734 (2)

IV. Related Vulnerabilities

Same product: xwiki-commons
Same vendor: xwiki
Same weakness: CWE-23

V. Comments for CVE-2026-23734

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