CVE-2026-23734
XWiki Platform: Path traversal via resources parameter in ssx and jsx endpoints when using leading slash
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.
INFO
Published Date :
May 20, 2026, 8:16 p.m.
Last Modified :
July 23, 2026, 12:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update XWiki Platform to version 18.1.0-rc-1 or later.
- Apply patches for versions 17.10.3, 17.4.9, or 16.10.17.
- Restrict access to configuration files.
- Validate user input for resource parameters.
Public PoC/Exploit Available at Github
CVE-2026-23734 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-23734.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-23734 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-23734
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python Go
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-23734 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-23734 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: XWiki Platform de XWiki, Description: Plataforma XWiki es una plataforma wiki genérica. Las versiones anteriores a 18.1.0-rc-1, 17.10.3, 17.4.9 y 16.10.17 permiten el acceso para leer archivos de configuración mediante el uso de URLs como http://localhost:8080/bin/ssx/Main/WebHome?resource=/.. / ../WEB-INF/xwiki.cfg&minify=false, lo que lleva a un salto de ruta. La vulnerabilidad puede ser explotada a través del parámetro resources de los puntos finales ssx y jsx mediante el uso de barras iniciales. Este problema ha sido parcheado en 18.1.0-rc-1, 17.10.3, 17.4.9, 16.10.17. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'xwiki', 'product': 'xwiki-commons', 'versions': [{'status': 'affected', 'version': '>= 4.2-milestone-2, < 16.10.17'}, {'status': 'affected', 'version': '>= 17.0.0-rc-1, < 17.4.9'}, {'status': 'affected', 'version': '>= 17.5.0, < 17.10.3'}, {'status': 'affected', 'version': '>= 18.0.0-rc-1, < 18.1.0-rc-1'}]}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-23734', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-05-21T14:03:41.927653Z'} -
New CVE Received by [email protected]
May. 20, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-23 Added Reference https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf Added Reference https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-xq3r-2qv5-vqqm Added Reference https://jira.xwiki.org/browse/XCOMMONS-3547