xwiki xwiki-commons up to 16.10.16/17.4.8/17.10.2/18.0.x Ssx/Jsx path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in xwiki xwiki-commons up to 16.10.16/17.4.8/17.10.2/18.0.x. It has been rated as critical. This impacts an unknown function of the component Ssx/Jsx. This manipulation causes path traversal. This vulnerability is registered as CVE-2026-23734. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in xwiki xwiki-commons up to 16.10.16/17.4.8/17.10.2/18.0.x and classified as critical. Affected by this vulnerability is an unknown function of the component Ssx/Jsx. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-23734 since 01/15/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 16.10.17, 17.4.9, 17.10.3 or 18.1.0-rc-1 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-31152) and CERT Bund (WID-SEC-2026-1613). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Open Source xwiki

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: xwiki-commons 16.10.17/17.4.9/17.10.3/18.1.0-rc-1

Timelineinfo

01/15/2026 CVE reserved
05/20/2026 +124 days Advisory disclosed
05/20/2026 +0 days VulDB entry created
07/23/2026 +64 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-23734 (🔒)
GCVE (CVE): GCVE-0-2026-23734
GCVE (VulDB): GCVE-100-364945
EUVD: 🔒
CERT Bund: WID-SEC-2026-1613 - xwiki: Schwachstelle ermöglicht Offenlegung von Informationen

Entryinfo

Created: 05/20/2026 22:24
Updated: 07/23/2026 20:02
Changes: 05/20/2026 22:24 (67), 05/22/2026 05:23 (7), 05/26/2026 20:25 (1), 07/23/2026 20:02 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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