CVE-2025-5509

Name: CVE-2025-5509
Creator: NVD / NIST
Published: 2025-06-03T16:15:26.803+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2025-5509 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.60%

44.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Quequnlong	Shiyi-Blog	<= 1.2.1

References

https://github.com/uglory-gll/javasec/blob/main/shiyi-blog.mdExploit
https://github.com/uglory-gll/javasec/blob/main/shiyi-blog.md#1file-path-traversalExploit
https://vuldb.com/?ctiid.310923Permissions Required, VDB Entry
https://vuldb.com/?id.310923Third Party Advisory, VDB Entry
https://vuldb.com/?submit.584488Third Party Advisory, VDB Entry
https://github.com/uglory-gll/javasec/blob/main/shiyi-blog.mdExploit

Timeline

Published: Jun 3, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5509?

How severe is CVE-2025-5509?

CVE-2025-5509 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5509?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-5509?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST