Auth bypass in Yandex Metrika Yandex.metrica

CVE-2025-63063

Missing Authorization vulnerability in Yandex Metrika Yandex.Metrica wp-yandex-metrika allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Yandex.Metrica: from n/a through <= 1.2.2.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-63063: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-63063?
CVE-2025-63063 is a medium-severity vulnerability in Yandex Metrika Yandex.metrica, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-12-09.
How severe is CVE-2025-63063?
Medium severity. CVSS v3 base score is 5.3 out of 10.