Path Traversal in Quequnlong Shiyi-Blog

CVE-2025-5509

A vulnerability classified as critical has been found in quequnlong shiyi-blog up to 1.2.1. This affects an unknown part of the file /api/file/upload. The manipulation of the argument file/source leads to path traversal. It is possible to initiate 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: Path Traversal (Directory Traversal)

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-5509?
CVE-2025-5509 is a medium-severity vulnerability in Quequnlong Shiyi-Blog, classified under Path Traversal. CVSS score: 6.3/10. Published 2025-06-03.
How severe is CVE-2025-5509?
Medium severity. CVSS v3 base score is 6.3 out of 10.