What is CVE-2025-66473?

CVE-2025-66473 is a high-severity vulnerability in Xwiki, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-12-10.

How severe is CVE-2025-66473?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Xwiki

CVE-2025-66473

XWiki is an open-source wiki software platform. Versions 16.10.10 and below, 17.0.0-rc-1 through 17.4.3 and 17.5.0-rc-1 through 17.6.0 contain a REST API which doesn't enforce any limits for the number of items that can be requested in a s…

EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Xwiki
Xwiki Xwiki-platform — versions < 16.10.11, >= 17.0.0-rc-1, < 17.4.4, >= 17.5.0-rc-1, < 17.7.0-rc-1

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2025-66473?: CVE-2025-66473 is a high-severity vulnerability in Xwiki, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-12-10.
How severe is CVE-2025-66473?: High severity. CVSS v3 base score is 7.5 out of 10.