THREATPORT/VULNERABILITY/CVE-2026-23734
HIGH SEVERITY

CVE-2026-23734

CVE-2026-23734 vulnerability

Severity
HIGH
EPSS
19.5%
EPSS pct
97th
Exploited
No known
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 vendor
See references
Affected product
See references
Weakness type (CWE)
Published
2026-05-20

Risk analysis

Its EPSS score of 19.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2026-23734

  • Confirm whether the affected software is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-23734.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-23734

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-23734 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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