CVE-2025-5509: A vulnerability classified as critical has been found in quequnlong shiyi-blog up to 1.2.1
CVE-2025-5509 is a medium-severity flaw (CVSS 6.3) affecting shiyi-blog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 46%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2025-06-03 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-5509?
shiyi-blog: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.
Is CVE-2025-5509 being exploited?
CVE-2025-5509 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-5509 affect?
CVE-2025-5509 affects shiyi-blog. Severity is medium (CVSS 6.3). 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 i
How urgent is CVE-2025-5509?
Priority 41/100. Public exploit reference
Related CVEs
- CVE-2025-12305 MEDIUM 6.3 UPGRADE A vulnerability was found in quequnlong shiyi-blog up to 1.2.1
- CVE-2025-5513 LOW 3.5 UPGRADE A vulnerability has been found in quequnlong shiyi-blog up to 1.2.1 and classified as problematic
- CVE-2025-5512 HIGH 7.3 UPGRADE A vulnerability, which was classified as critical, was found in quequnlong shiyi-blog up to 1.2.1
- CVE-2025-5511 MEDIUM 5.3 UPGRADE A vulnerability, which was classified as critical, has been found in quequnlong shiyi-blog up to 1.2.1
- CVE-2025-5510 MEDIUM 6.3 UPGRADE A vulnerability classified as critical was found in quequnlong shiyi-blog up to 1.2.1