CVE intelligence and bounded remediation

CVE-2023-35152 — XWiki Platform is a generic wiki platform

Critical CVSS 9.9

XWiki Platform is a generic wiki platform. Starting in version 12.9-rc-1 and prior to versions 14.4.8, 14.10.6, and 15.1, any logged in user can add dangerous content in their first name field and see it executed with programming rights. Leading to rights escalation. The vulnerability has been fixed on XWiki 14.4.8, 14.10.6, and 15.1. As a workaround, one may apply the patch manually.

Severity
Critical
CVSS
9.9 (3.1)
Published
2023-06-23
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-95, CWE-94

Affected products

  • xwiki / xwiki
  • xwiki / xwiki / 12.9
  • xwiki / xwiki / 15.0

Showing 3 representative product identities from 5 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Command, code, expression, and template injection

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Check exposure

  • Trace untrusted values to process execution, interpreters, evaluators, template engines, dynamic imports, and administrative scripting features.
  • Determine whether the affected path is reachable across each trust boundary and which service account or host privilege it inherits.
  • Review configuration for optional execution features, unsafe compatibility modes, and shell invocation.

Remediate safely

  • Replace string-built commands or evaluated code with fixed operations and structured argument APIs that do not invoke a shell.
  • Use strict allowlists for operation identifiers and reject unexpected input before it reaches any interpreter.
  • Update the affected component and add inert regression tests covering metacharacters, encoding variants, and alternate request paths.

Authoritative sources

Complete CVE record and remediation plan

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