CVE-2025-5509: quequnlong shiyi-blog upload path traversal

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-03 · updated 2026-06-17
Weakness: CWE-22

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.

Affected products

quequnlong shiyi-blog: through 1.2.1

References

https://github.com/uglory-gll/javasec/blob/main/shiyi-blog.md
https://github.com/uglory-gll/javasec/blob/main/shiyi-blog.md#1file-path-traversal
https://vuldb.com/?ctiid.310923
https://vuldb.com/?id.310923
https://vuldb.com/?submit.584488
https://github.com/uglory-gll/javasec/blob/main/shiyi-blog.md

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