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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (53.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.000
Affected products
- Quequnlong Shiyi-Blog — versions 1.2.0, 1.2.1
Weakness classification (CWE)
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/uglory-gll/javasec/blob/main/shiyi-blog.md (related, Exploit, Third Party Advisory)
- github.com/uglory-gll/javasec/blob/main/shiyi-blog.md (Exploit, Third Party Advisory, exploit)
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.