This report was translated by AI; nobody has reviewed the translation yet. Original language: Czech.

[TLP:CLEAR] XWiki fixes 1 vulnerability

XWiki versions 16.10.10, 17.4.3 and 17.6.0-rc-1 fix 1 vulnerability [1].

XWiki - RCE (CVE-2025-66474)
CVSS 8.7 (High)

Due to insufficient content sanitization when rendering HTML macros, an authenticated remote attacker can terminate an HTML macro and inject custom script macros. These macros are then executed with programming rights, which may lead to remote code execution and unrestricted reading and writing of all wiki content [1].

The vulnerability is present in product:

  • XWiki; <16.10.10; >=17.0.0-rc-1, <17.4.3; >= 17.5.0-rc-1, <17.6.0-rc-1

CVSS: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

More information:

  • CVE-2025-66474 at cve.org, NVD
  • CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') at cwe.mitre.org

The vulnerability was publicly disclosed 10. 12. 2025.


By CESNET, z.s.p.o. Michaela Jarošová on 15. 12. 2025.

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