Auth bypass in Quequnlong Shiyi-Blog

CVE-2025-5512

A vulnerability, which was classified as critical, was found in quequnlong shiyi-blog up to 1.2.1. Affected is an unknown function of the file /api/sys/user/verifyPassword/ of the component Administrator Backend. The manipulation leads to improper authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Broken Authentication

EPSS: 0.007 (47.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-5512?
CVE-2025-5512 is a high-severity vulnerability in Quequnlong Shiyi-Blog, classified under Improper Authentication. CVSS score: 7.3/10. Published 2025-06-03.
How severe is CVE-2025-5512?
High severity. CVSS v3 base score is 7.3 out of 10.