Allocation of Resources Without Limits or Throttling in XWiki platform - CVE-2025-66473
Published: May 5, 2026
Vulnerability identifier: #VU129893
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-66473
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in REST APIs when handling requests for large numbers of items. A remote attacker can send a request for an excessive number of items to cause a denial of service.
On large wikis, exploitation can lead to slowness or out-of-memory conditions.
Affected software
XWiki platform
How to mitigate CVE-2025-66473
Install security update from vendor's website.
XWiki platform - addressed in versions 16.10.11, 17.4.4, 17.7.0