PatchTheCVECVE-2023-5812: A vulnerability has been found in flusity CMS and classified as critical
CVE-2023-5812 is a medium-severity flaw (CVSS 4.7) affecting flusity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability has been found in flusity CMS and classified as critical. Affected by this vulnerability is the function handleFileUpload of the file core/tools/upload.php. The manipulation of the argument uploaded_file leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.7 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 44%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2023-10-27 |
| 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-2023-5812?
flusity: upgrade to newer than 2.304. Exact commands for each OS are on this page.
Is CVE-2023-5812 being exploited?
CVE-2023-5812 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-2023-5812 affect?
CVE-2023-5812 affects flusity. Severity is medium (CVSS 4.7). A vulnerability has been found in flusity CMS and classified as critical. Affected by this vulnerability is the function handleFileUpload of the file core/tools/upload.php. The manipulation of the argument uploaded_file leads to unrestricte
How urgent is CVE-2023-5812?
Priority 35/100. Public exploit reference
Software pages
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